noun🔗Share科学、技术、工程和数学 Acronym of science, technology, engineering, (and) mathematics."The school is increasing its focus on STEMs to prepare students for future jobs in technology. "学校正在增加对科学、技术、工程和数学领域的重视，以为学生们未来在科技行业的工作做好准备。sciencetechnologymatheducationChat with AIVocabulary GamePractice Reading
noun🔗Share扫描透射电子显微镜，扫描透射电镜 An electron microscope that transmits a very narrow beam of electrons through a sample; it can detect individual large or heavy atoms.""Scientists use stems to visualize and analyze the structure of materials at the atomic level, revealing details invisible to conventional microscopes." "科学家使用扫描透射电镜来观察和分析材料在原子层面的结构，从而揭示传统显微镜无法看到的细节。technologysciencephysicselectronicsdeviceChat with AIVocabulary GamePractice Reading
noun🔗Share光芒，火焰。 A gleam of light; a flame."Tiny stems danced in the fireplace, casting flickering shadows on the wall. "微小的火苗在壁炉里跳动，在墙上投下摇曳的影子。energyphysicsphenomenaChat with AIVocabulary GamePractice Reading
noun🔗Share祖先，先人。 The stock of a family; a race or generation of progenitors."The royal family's stems trace back to the 16th century. "这个皇室家族的祖先可以追溯到十六世纪。familyracehistoryChat with AIVocabulary GamePractice Reading
noun🔗Share分支，血统 A branch of a family."The family tree shows different branches, with each branch representing a line of descendants that stems from the original ancestors. "这棵家谱树展示了不同的分支，每个分支都代表着一个血统，这些血统都源于最初的祖先。familyChat with AIVocabulary GamePractice Reading
noun🔗Share前沿，领先地位. An advanced or leading position; the lookout."From the crow's nest, the sailor maintained his stems, scanning the horizon for approaching ships. "从桅杆顶端的瞭望台，水手坚守在前沿位置，扫视着海面，搜寻着驶近的船只。positionmilitaryChat with AIVocabulary GamePractice Reading
noun🔗Share茎， 秆， 枝干。 The above-ground stalk (technically axis) of a vascular plant, and certain anatomically similar, below-ground organs such as rhizomes, bulbs, tubers, and corms."The florist carefully cut the stems of the roses before arranging them in the vase. "花艺师在把玫瑰花插进花瓶之前，小心地剪掉了它们的茎。biologyplantanatomyorganismnatureagricultureChat with AIVocabulary GamePractice Reading
noun🔗Share茎，梗。 A slender supporting member of an individual part of a plant such as a flower or a leaf; also, by analogy, the shaft of a feather."the stem of an apple or a cherry"苹果或樱桃的（连接果实和树枝的）梗plantnaturebiologypartChat with AIVocabulary GamePractice Reading
noun🔗Share柄，杆，脚。 A narrow part on certain man-made objects, such as a wine glass, a tobacco pipe, a spoon."The fragile stems of the wine glasses made it difficult to pack them safely. "这些葡萄酒杯的脆弱杯柄使得打包它们变得困难。partitemutensilChat with AIVocabulary GamePractice Reading
noun🔗Share词干，词根。 The main part of an uninflected word to which affixes may be added to form inflections of the word. A stem often has a more fundamental root. Systematic conjugations and declensions derive from their stems."In Latin class, we learned that many verb endings are added to the verb stems to show different tenses and subjects. "在拉丁语课上，我们学到很多动词词尾会加在动词词干上，用来表示不同的时态和主语。grammarlanguagelinguisticswordChat with AIVocabulary GamePractice Reading
noun🔗Share腿，下肢 A person's leg."After a long day of hiking, her stems ached. "徒步旅行了一整天后，她觉得腿都疼死了。anatomybodypartChat with AIVocabulary GamePractice Reading
noun🔗Share笔画, 竖。 A vertical stroke of a letter."In the word "b," the curve is attached to one of the two stems. "在字母“b”中，弧线连接到两个竖笔中的其中一个。languagewritinggrammarlinguisticsChat with AIVocabulary GamePractice Reading
noun🔗Share符干，符杠 A vertical stroke marking the length of a note in written music."The music teacher showed the students how the stems on the notes pointed up or down depending on their position on the staff. "音乐老师给学生们演示了音符的符干如何根据音符在五线谱上的位置朝上或朝下。musicwritingChat with AIVocabulary GamePractice Reading
noun🔗Share分轨，音轨。 A premixed portion of a track for use in audio mastering and remixing."The mastering engineer requested the song's stems – vocals, drums, and instruments – to have more control over the final mix. "母带工程师要求提供这首歌的分轨音轨，包括人声、鼓点和乐器，以便更好地控制最终混音。musictechnicalsoundpartelectronicsChat with AIVocabulary GamePractice Reading
noun🔗Share船首柱，龙骨前端。 The vertical or nearly vertical forward extension of the keel, to which the forward ends of the planks or strakes are attached."The boatbuilder carefully attached the first plank of wood to the stems, ensuring a strong connection for the bow of the ship. "造船匠小心地将第一块木板固定在船首柱上，以确保船头连接牢固。nauticalsailingvehiclearchitectureChat with AIVocabulary GamePractice Reading
noun🔗Share车把立管，把立。 A component on a bicycle that connects the handlebars to the bicycle fork"He tightened the bolts on the bicycle's stems to make sure the handlebars were secure before his ride. "他拧紧了自行车把立上的螺栓，以确保车把在骑行前是牢固的。vehiclepartmachineChat with AIVocabulary GamePractice Reading
noun🔗Share主干，茎干 A part of an anatomic structure considered without its possible branches or ramifications."The doctor examined the major blood vessel stems leading to the heart. "医生检查了通往心脏的主要血管主干。anatomypartbodyorganphysiologybiologymedicinestructureChat with AIVocabulary GamePractice Reading
noun🔗Share烟杆，管子 A crack pipe; or the long, hollow portion of a similar pipe (i.e. meth pipe) resembling a crack pipe."The police found several stems hidden in the suspect's apartment. "警察在嫌疑人的公寓里发现了几个藏起来的冰毒/快克烟杆。substanceutensildeviceitemChat with AIVocabulary GamePractice Reading
noun🔗Share表冠，柄头 (chiefly British) A winder on a clock, watch, or similar mechanism"The jeweler carefully tightened the stems on my grandmother's antique watches. "珠宝匠小心地拧紧了我奶奶古董表上的表冠。devicemachinetimepartChat with AIVocabulary GamePractice Reading
verb🔗Share去除茎，去梗 To remove the stem from."to stem cherries; to stem tobacco leaves"把樱桃去梗；把烟叶去梗foodvegetableplantChat with AIVocabulary GamePractice Reading
verb🔗Share源于，起源于。 To be caused or derived; to originate."The current crisis stems from the short-sighted politics of the previous government."当前的危机源于前政府短视的政策。processnatureChat with AIVocabulary GamePractice Reading
verb🔗Share发源，起源 To descend in a family line.""My family stems from a long line of farmers in Ireland." "我家是爱尔兰的农民世家，世代务农。familyChat with AIVocabulary GamePractice Reading
verb🔗Share顶着...前进, 迎着...行驶 To direct the stem (of a ship) against; to make headway against."The small sailboat stems the tide, slowly moving forward despite the strong current pushing it back. "那艘小帆船顶着潮流，虽然强大的水流把它往后推，却仍然缓慢前进。nauticalsailingvehicleChat with AIVocabulary GamePractice Reading
verb🔗Share撞击，冲撞 To hit with the stem of a ship; to ram."The small fishing boat stemmed the larger cargo ship, causing significant damage. "那艘小渔船撞击了那艘较大的货船，造成了严重的损坏。nauticalsailingvehicleactionChat with AIVocabulary GamePractice Reading
verb🔗Share夯实，填实 To ram (clay, etc.) into a blasting hole."The demolition crew stems the hole with clay before setting off the charge. "爆破队在引爆炸药前，先用黏土把孔洞夯实填满。technicalindustrymachineactionChat with AIVocabulary GamePractice Reading
verb🔗Share阻止，阻挡。 To stop, hinder (for instance, a river or blood)."to stem a tide"阻止潮流physiologymedicinebodyChat with AIVocabulary GamePractice Reading
verb🔗Share犁式刹车，内八字滑雪。 To move the feet apart and point the tips of the skis inward in order to slow down the speed or to facilitate a turn."As she started to go too fast down the hill, the beginner skier stems her skis to slow down. "由于下坡速度太快，这个初学者滑雪者用犁式刹车（内八字滑雪）来减速。sportactiontechnicalChat with AIVocabulary GamePractice Reading
