expatiate
英 [ɪkˈspeɪʃieɪt]
美 [ɪkˈspeɪʃieɪt]
v. 详述，细说，阐述
过去式：expatiated 过去分词：expatiated 现在分词：expatiating 第三人称单数：expatiates
BNC.39317 / COCA.44653
短语用例
expatiate on/upon sth
- 详述；细说；阐述
to write or speak in detail about a subject-
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