noun 下载 🔗分享 取代基，取代物 Any atom, group, or radical substituted for another, or entering a molecule in place of some other part which is removed Examples : "The chemist replaced the chlorine substituent in the molecule with a bromine substituent. " 这位化学家将分子中的氯取代基替换成了溴取代基。 chemistry compound substance element part 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 取代词，替代词。 (grammar) pro-form Examples : "In the sentence "Maria likes to read, and she likes to write," the word "she" is a substituent standing in for the noun "Maria" to avoid repetition. " 在 “玛丽亚喜欢阅读，而且 她 喜欢写作” 这句话中，“她” 是一个取代词 (substituent)，用来代替名词 “玛丽亚”，以避免重复。 grammar linguistics language 与AI对话词汇游戏阅读练习
