noun🔗Share成对物，一对。 A pair of two similar or equal things; couple.""The twins were wearing a doublet of identical blue shirts and jeans." "这对双胞胎穿着一模一样的蓝色衬衫和牛仔裤，就像一对一样。numberitemthingChat with AIVocabulary GamePractice Reading
noun🔗Share同源词，对音词 One of two or more different words in a language derived from the same etymological root but having different phonological forms (e.g., toucher and toquer in French or shade and shadow in English)."The words "captain" and "chieftain" are a doublet in English, both stemming from the Latin "caput" (head) but evolving into separate words with slightly different meanings. "英语里的“captain”（船长）和“chieftain”（首领）是一对同源词，都源自拉丁语“caput”（头），但演变成了意思略有不同的两个独立词。languagelinguisticswordChat with AIVocabulary GamePractice Reading
noun🔗Share复述, 雷同故事 In textual criticism, two different narrative accounts of the same actual event."The two versions of the field trip incident in the students' reports were clearly a doublet, differing in minor details but describing the same broken window. "学生报告中关于实地考察事故的两个版本显然是复述，雷同故事，细节上略有不同，但描述的是同一扇破碎的窗户。literaturewritinglanguageChat with AIVocabulary GamePractice Reading
noun🔗Share夹层石，二层石。 (lapidary) An imitation gem made of two pieces of glass or crystal with a layer of color between them."The jeweler revealed that the supposedly valuable emerald ring was actually a doublet, with a thin green layer sandwiched between two clear pieces of glass. "那位珠宝商揭露说，那枚本以为很值钱的祖母绿戒指其实是夹层石，它是在两片透明玻璃中间夹了一层薄薄的绿色物质仿制而成的。materialappearanceChat with AIVocabulary GamePractice Reading
noun🔗Share重复词，赘词 A word or phrase set a second time by mistake."The word "the" appeared as a doublet in the student's essay, likely due to accidentally hitting the space bar twice. "这名学生的文章中，“the”这个词重复出现了一次，很可能是因为不小心按了两次空格键，导致出现了重复词。languagewordwritinglinguisticsChat with AIVocabulary GamePractice Reading
noun🔗Share自旋双重态 A quantum state of a system with a spin of ½, such that there are two allowed values of the spin component, −½ and +½."The hydrogen atom's electron exists in a doublet, meaning its spin can be either up or down. "氢原子的电子存在于自旋双重态中，这意味着它的自旋方向可以是向上，也可以是向下。physicsscienceChat with AIVocabulary GamePractice Reading
noun🔗Share双字节, 双字。 A word (or rather, a halfword) consisting of two bytes."The student learned that in this particular computer architecture, a doublet is used to store small integer values. "学生了解到，在这个特定的计算机架构中，使用双字节（doublet）来存储较小的整数值。computingtechnologynumberwordelectronicsChat with AIVocabulary GamePractice Reading
noun🔗Share双花植物，双花草。 A very small flowering plant, Dimeresia howellii."The botany student carefully documented the location of each doublet she found during her field study. "那位植物学专业的学生在实地考察期间，仔细记录了她发现的每一株双花草的地点。plantbiologynatureChat with AIVocabulary GamePractice Reading
noun🔗Share文字阶梯，双字棋 A word ladder puzzle."The teacher assigned a "cold" to "warm" doublet as a fun vocabulary exercise for the class. "老师布置了一个从“冷”(cold)变到“暖”(warm)的文字阶梯游戏，作为一堂有趣的词汇练习课。gamewordentertainmentChat with AIVocabulary GamePractice Reading
noun🔗Share双合透镜, 双透镜 An arrangement of two lenses for a microscope, designed to correct spherical aberration and chromatic dispersion, thus rendering the image of an object more clear and distinct."The microscope used in biology class has a doublet in its objective lens, allowing us to see the cells much more clearly than with a simple lens. "生物课上用的显微镜，其物镜中含有一个双合透镜，这让我们比用普通透镜能更清晰地观察细胞。technologyphysicssciencedeviceChat with AIVocabulary GamePractice Reading
noun🔗Share双骰，对骰 Either of two dice, each of which, when thrown, has the same number of spots on the face lying uppermost."to throw doublets"掷出双骰子 (Zhì chū shuāng shǎi zi)numbergameChat with AIVocabulary GamePractice Reading
noun🔗Share双陆棋 A game somewhat like backgammon."My grandfather taught me how to play doublet one afternoon, but I still prefer checkers. "有一天下午，我爷爷教我玩双陆棋，但我还是更喜欢跳棋。gameentertainmentChat with AIVocabulary GamePractice Reading
noun🔗Share偶极天线，双线天线 Dipole antenna."The technician used a doublet antenna to receive the weak radio signals from the distant space station. "技术员使用了一根偶极天线来接收来自遥远空间站的微弱无线电信号。electronicssignalcommunicationdevicetechnologyphysicsChat with AIVocabulary GamePractice Reading
noun🔗Share紧身男上衣 A man’s close-fitting jacket, with or without sleeves, worn by European men from the 1400s to the 1600s."For the Renaissance fair, the actor wore a colorful doublet over his shirt. "为了文艺复兴集市，那位演员在他的衬衫外面穿了一件色彩鲜艳的紧身男上衣。appearancewearhistorystyleChat with AIVocabulary GamePractice Reading
