noun🔗Share交替，轮换。 The reciprocal succession of (normally two) things in time or place; the act of following and being followed by turns; alternate succession, performance, or occurrence"alternation between night shifts and day shifts"夜班和白班的轮换timeprocesseventChat with AIVocabulary GamePractice Reading
noun🔗Share交替应答, 轮流唱和 The response of the congregation speaking alternately with the minister."The alternation of student questions and the teacher's explanations kept the class engaged. "学生提问和老师讲解的交替进行，让课堂气氛非常活跃。religionritualcommunicationChat with AIVocabulary GamePractice Reading
noun🔗Share元音变换 Ablaut."The vowel alternation in the words "sing," "sang," and "sung" is a classic example of ablaut in English. "英语中“sing”、“sang”和“sung”这些词的元音变换是日耳曼语系元音变换的典型例子。linguisticsgrammarphoneticswordChat with AIVocabulary GamePractice Reading
noun🔗Share句法变换，句法交替 A pattern by which more than one construct is possible, as with "Alice cooked Bob dinner" and "Alice cooked dinner for Bob"."dative alternation; locative alternation"与格句法变换；方位句法变换grammarlanguagelinguisticsChat with AIVocabulary GamePractice Reading
noun🔗Share或，择一 The "inclusive or" truth function."The cafeteria offers an alternation of either soup or salad with the main course; you can choose one, the other, or both. "自助餐厅的主菜提供汤或沙拉的选择；你可以选汤，选沙拉，或者两者都选。logicmathphilosophycomputingChat with AIVocabulary GamePractice Reading
noun🔗Share交替，更替。 A sequence that alternates between positive and negative values; sometimes incorrectly used to mean permutation."The team practiced the alternation of offensive and defensive drills to prepare for all scenarios in the game. "为了应对比赛中的各种情况，球队练习了进攻和防守演练的交替进行。mathnumberstatisticsphysicsChat with AIVocabulary GamePractice Reading
noun🔗Share选择结构，择一匹配 A construct in a regular expression that can match any of several specified subexpressions."The regular expression used alternation to allow matching either "cat" or "dog" in the text. "这个正则表达式使用了选择结构，允许在文本中匹配“猫”或者“狗”。computinglanguagetechnicalChat with AIVocabulary GamePractice Reading
noun🔗Share交错，更迭。 A type of partial truncation of a polygon, polyhedron or tiling in which alternate vertices are removed."The alternation of vertices on the square produced a shape that resembled a diamond. "这个正方形经过交错地移除顶点后，形成了一个类似菱形的形状。mathfigureChat with AIVocabulary GamePractice Reading
