noun🔗Share钥匙， 密钥 An object designed to open and close a lock."The key to the front door was lost, so we couldn't get in. "通往前门的钥匙丢了，所以我们进不去。itemutensilthingessentialChat with AIVocabulary GamePractice Reading
noun🔗Share键，销钉 An object designed to fit between two other objects (such as a shaft and a wheel) in a mechanism and maintain their relative orientation."The lock on my school locker needed a new key to open it. "我学校储物柜上的锁需要一个新的键才能打开。technicalmachinepartdeviceessentialChat with AIVocabulary GamePractice Reading
noun🔗Share关键，要点。 A crucial step or requirement."The key to solving this problem is persistence."解决这个问题的关键在于坚持。achievementconditionabilityessentialChat with AIVocabulary GamePractice Reading
noun🔗Share图例，说明。 A guide explaining the symbols or terminology of a map or chart; a legend."The key says that A stands for the accounting department."图例上说，A代表会计部门。geographywritingsigncommunicationessentialChat with AIVocabulary GamePractice Reading
noun🔗Share答案，题解 A guide to the correct answers of a worksheet or test."Some students cheated by using the answer key."有些学生作弊，偷看了答案。educationwritingessentialChat with AIVocabulary GamePractice Reading
noun🔗Share按键, 键 One of several small, usually square buttons on a typewriter or computer keyboard, mostly corresponding to text characters."Press the Escape key."按下Esc键.technologycomputingelectronicsmachineitemwritingcommunicationdeviceessentialChat with AIVocabulary GamePractice Reading
noun🔗Share琴键，键。 In musical instruments, one of the valve levers used to select notes, such as a lever opening a hole on a woodwind."The clarinet player pressed the key to change to a higher note. "单簧管演奏者按下琴键，换到了更高的音符。musicpartmachineessentialChat with AIVocabulary GamePractice Reading
noun🔗Share琴键，键。 In instruments with a keyboard such as an organ or piano, one of the levers, or especially the exposed front end of it, which are depressed to cause a particular sound or note to be produced."The organist pressed the correct key on the pipe organ to play the high C. "管风琴师按下了管风琴上正确的琴键，弹出了高音C。musicpartorgansoundtechnicaldeviceessentialChat with AIVocabulary GamePractice Reading
noun🔗Share主音，基调 The lowest note of a scale; keynote."The key of the song we're learning in music class is C. "我们音乐课上学的这首歌的主音是C。musicessentialChat with AIVocabulary GamePractice Reading
noun🔗Share调，音调 In musical theory, the total melodic and harmonic relations, which exist between the tones of an ideal scale, major or minor; tonality."The song is in the key of C major. "这首歌是C大调的。musictheoryessentialChat with AIVocabulary GamePractice Reading
noun🔗Share调，音调. In musical theory and notation, the tonality centering in a given tone, or the several tones taken collectively, of a given scale, major or minor."The piece of music was in the key of C major. "这首乐曲是C大调。musicessentialChat with AIVocabulary GamePractice Reading
noun🔗Share谱号，调号 In musical notation, a sign at the head of a staff indicating the musical key."The music teacher explained that the key of the song was C major. "音乐老师解释说，这首歌的调号是C大调。musicsignessentialChat with AIVocabulary GamePractice Reading
noun🔗Share调，基调 The general pitch or tone of a sentence or utterance."The key to her presentation was enthusiasm; everyone felt excited about the project. "她演讲的基调是热情洋溢，大家都对这个项目感到兴奋。languagelinguisticssoundphoneticsessentialChat with AIVocabulary GamePractice Reading
noun🔗Share关键词, 关键信息. A modification of an advertisement so as to target a particular group or demographic."The marketing team created a key to their advertisement for parents, focusing on the benefits of the new after-school program. "营销团队针对家长对广告进行了关键词调整，着重强调了新课后项目的益处。businesscommunicationmediaessentialChat with AIVocabulary GamePractice Reading
noun🔗Share翅果 An indehiscent, one-seeded fruit furnished with a wing, such as the fruit of the ash and maple; a samara."The maple tree produced many keys, which scattered in the wind. "这棵枫树结了很多翅果，它们随风飘散。fruitplantseedbiologynatureessentialChat with AIVocabulary GamePractice Reading
noun🔗Share电键，摩尔斯电码键。 A manual electrical switching device primarily used for the transmission of Morse code."The Morse code key was used by the radio operator to send urgent messages to the ship. "无线电员使用摩尔斯电码键向船只发送紧急信息。technologycommunicationelectronicsdevicesignalmachinewritinghistoryessentialChat with AIVocabulary GamePractice Reading
noun🔗Share密码，密钥 A piece of information (e.g. a passphrase) used to encode or decode a message or messages."The key to unlocking the secret message was a special passphrase. "解锁这条秘密信息的密钥是一段特殊的密码短语。technologycomputingcommunicationsignalessentialChat with AIVocabulary GamePractice Reading
noun🔗Share密码，口令 A password restricting access to an IRC channel."The key to the student forum IRC channel is "secret123". "学生论坛IRC频道的密码是“secret123”。internetcomputingcommunicationessentialChat with AIVocabulary GamePractice Reading
noun🔗Share外键，索引键。 In a relational database, a field used as an index into another table (not necessarily unique)."The student ID number is a key in the student database that links to a separate table containing each student's grades. "学生ID号码是学生数据库中的一个外键，它关联到另一个包含每个学生成绩的表格。computingtechnologyinternettechnicalessentialChat with AIVocabulary GamePractice Reading
noun🔗Share键，关键词. A value that uniquely identifies an entry in a container."The student's unique ID number is the key to accessing their online school account. "学生的唯一识别码是访问他们在线学校账户的关键词。computingtechnologyessentialChat with AIVocabulary GamePractice Reading
noun🔗Share禁区，罚球区 The free-throw lane together with the circle surrounding the free-throw line, the free-throw lane having formerly been narrower, giving the area the shape of a skeleton key hole."He shoots from the top of the key."他从禁区顶端投篮。sportareaessentialChat with AIVocabulary GamePractice Reading
noun🔗Share检索表，鉴别指南 A series of logically organized groups of discriminating information which aims to allow the user to correctly identify a taxon."The biologist used a key to identify the different types of birds she saw in the park. "这位生物学家使用检索表（鉴别指南）来辨认她在公园里看到的各种鸟类。biologyscienceorganismnaturesystemessentialChat with AIVocabulary GamePractice Reading
noun🔗Share楔子, 垫木. A piece of wood used as a wedge."The carpenter used a small key to wedge the door shut. "木匠用一个小的垫木把门楔紧了。materialpartitemessentialChat with AIVocabulary GamePractice Reading
noun🔗Share楔子，末板。 The last board of a floor when laid down."The carpenter carefully laid the key board to finish the floor of the classroom. "木匠小心翼翼地铺设好末板，完成了教室的地板铺设。architecturebuildingessentialChat with AIVocabulary GamePractice Reading
noun🔗Share拱心石，关键。 A keystone."The archway's keystone was made of a special, strong stone. "拱门的拱心石是用一种特殊的坚固石头制成的。architecturestructureessentialChat with AIVocabulary GamePractice Reading
noun🔗Share灰泥键，泥灰扣。 That part of the plastering which is forced through between the laths and holds the rest in place."The key of the plaster holds the laths together, creating a solid wall. "灰泥键将木条紧紧扣在一起，从而形成坚固的墙壁。architecturematerialbuildingessentialChat with AIVocabulary GamePractice Reading
noun🔗Share轨枕垫板, 轨枕垫块 A wooden support for a rail on the bullhead rail system."The carpenter carefully placed the key under the rail to support it. "木匠小心地把轨枕垫块放在铁轨下面，用来支撑它。"The carpenter carefully placed the key beneath the rail to support it. "木匠小心地把轨枕垫板放在铁轨下面，以支撑它。technicalstructuremachineessentialChat with AIVocabulary GamePractice Reading
noun🔗Share附着力, 咬合力 The degree of roughness, or retention ability of a surface to have applied a liquid such as paint, or glue."The door panel should be sanded down carefully to provide a good key for the new paint."门板应该仔细打磨，以便为新油漆提供良好的附着力。technicalmaterialartindustryessentialChat with AIVocabulary GamePractice Reading
noun🔗Share钥匙牌 (Yàoshí pái), 关键牌 (Guānjiàn pái) The thirty-third card of the Lenormand deck."The key card in my Lenormand reading is the "thirty-third card." "在我的雷诺曼卡牌解读中，那张钥匙牌，也就是第三十三张牌。 (Zài wǒ de léinuòmàn kǎpái jiědú zhōng, nà zhāng yàoshí pái, yě jiùshì dì sānshísān zhāng pái.)astrologysignessentialChat with AIVocabulary GamePractice Reading
noun🔗Share油墨层，黑色油墨。 (print and film) The black ink layer, especially in relation to the three color layers of cyan, magenta, and yellow. See also CMYK."The printer's key color needs adjustment to create a darker blue. "打印机里的黑色油墨需要调整，才能印出更深的蓝色。colormediatechnicalessentialChat with AIVocabulary GamePractice Reading
noun🔗Share键，色键 A color to be masked or made transparent."The artist used a special key color to make the background of the painting transparent. "这位艺术家使用了一种特殊的色键，让画作的背景变得透明。colortechnicalcomputingmediaessentialChat with AIVocabulary GamePractice Reading
verb🔗Share配钥匙，用钥匙开（锁）。 To fit (a lock) with a key."The locksmith needs to key the new front door so we can all get in. "锁匠需要给新前门配把钥匙，这样我们大家都能进来了。utilitypropertyessentialChat with AIVocabulary GamePractice Reading
verb🔗Share用键固定，用销连接 To fit (pieces of a mechanical assembly) with a key to maintain the orientation between them."The carpenter keyed the drawer to the cabinet, ensuring it would open and close in the right position. "木匠用键将抽屉和柜子固定在一起，确保它能在正确的位置打开和关闭。technicalmachineindustrypartfunctionessentialChat with AIVocabulary GamePractice Reading
verb🔗Share标记，标明。 To mark or indicate with a symbol indicating membership in a class."The teacher keyed the students' papers, marking each one with a check mark if they had completed the assignment. "老师在学生的作业上做了标记，凡是完成作业的，都用勾号标明了。marksignessentialChat with AIVocabulary GamePractice Reading
verb🔗Share按键，发报。 (telegraphy and radio telegraphy) To depress (a telegraph key)."The operator keyed the telegraph to send the urgent message about the school bus delay. "操作员按键发报，发送了关于校车延误的紧急信息。technologycommunicationelectronicsessentialChat with AIVocabulary GamePractice Reading
verb🔗Share按键, 发射信号. To operate (the transmitter switch of a two-way radio)."To talk to his friend at the park, he keyed the radio transmitter. "为了和在公园的朋友说话，他按键发射了无线电信号。communicationtechnologyelectronicssignalessentialChat with AIVocabulary GamePractice Reading
verb🔗Share输入，录入 (more usually to key in) To enter (information) by typing on a keyboard or keypad."Our instructor told us to key in our user IDs."我们的老师让我们把用户ID输入进去。computingtechnologycommunicationinternetelectronicsmachineessentialChat with AIVocabulary GamePractice Reading
verb🔗Share划 (huá)， 刮花 (guā huā)。 To vandalize (a car, etc.) by scratching with an implement such as a key."He keyed the car that had taken his parking spot."他把占了他车位的车给划了。propertyvehicleessentialChat with AIVocabulary GamePractice Reading
verb🔗Share对应，关联。 To link (as one might do with a key or legend)."The teacher keyed the different colored shapes on the map to specific types of plants. "老师把地图上不同颜色的形状对应到特定的植物种类。communicationtechnologycomputinginternetessentialChat with AIVocabulary GamePractice Reading
verb🔗Share检索，辨认 To be identified as a certain taxon when using a key."Using the plant identification key, the student was able to key the unknown flower as a species of daisy. "通过植物鉴定检索表，这位学生成功地将这种不知名的花检索为雏菊的一种。biologyorganismscienceessentialChat with AIVocabulary GamePractice Reading
verb🔗Share针对，锁定。 To modify (an advertisement) so as to target a particular group or demographic."The marketing team keyed the advertisement for student discounts, focusing on language that would appeal to high schoolers. "营销团队针对学生折扣对广告进行了修改，侧重于能吸引高中生的语言。mediabusinessessentialChat with AIVocabulary GamePractice Reading
verb🔗Share定调，校准。 To attune to; to set at; to pitch."The musician needed to key the piano to the correct pitch before the concert. "音乐家需要在音乐会之前把钢琴的音调校准到正确的音高。musicsoundessentialChat with AIVocabulary GamePractice Reading
verb🔗Share锁紧，固定。 To fasten or secure firmly; to fasten or tighten with keys or wedges."The carpenter keyed the wooden door shut with a strong metal wedge. "木匠用一个结实的金属楔子把木门牢牢地楔紧锁住。utilitytechnicalactionessentialChat with AIVocabulary GamePractice Reading
adjective🔗Share关键的，至关重要的 Indispensable, supremely important."He is the key player on his soccer team."他是他足球队里最关键的球员。qualityvalueabstractessentialChat with AIVocabulary GamePractice Reading
adjective🔗Share重要的，关键的。 Important, salient."She makes several key points."她提出了几个关键的论点。qualityvalueessentialChat with AIVocabulary GamePractice Reading
noun🔗Share小岛，岛屿. One of a string of small islands."the Florida Keys"佛罗里达群岛geographyworldenvironmentplaceessentialChat with AIVocabulary GamePractice Reading
noun🔗Share码头， 埠头 A stone or concrete structure on navigable water used for loading and unloading vessels; a wharf."The cargo ship docked at the key, allowing workers to unload the crates. "货船停靠在码头，工人们开始卸载那些板条箱。nauticalarchitectureessentialChat with AIVocabulary GamePractice Reading
noun🔗Share千克，公斤 In the International System of Units, the base unit of mass; conceived of as the mass of one litre of water, but now defined by taking the fixed numerical value of the Planck constant h to be 6.626 070 15 × 10-34 when expressed in units of kg⋅m2⋅s−1. Symbol: kg"The scientist measured the mass of the sample in kilograms, the key unit of mass in the metric system. "科学家用千克测量了样品的质量，千克是公制系统中质量的关键单位。massunitphysicsscienceessentialChat with AIVocabulary GamePractice Reading
noun🔗Share千克 The unit of weight such that a one-kilogram mass is also a one-kilogram weight."The kilogram is the key unit of weight in the science lab. "千克是科学实验室中关键的重量单位。massphysicsscienceunitessentialChat with AIVocabulary GamePractice Reading
