单词：expatiating
音标：[eksˈpeiʃieitɪŋ] ；
v. 详述, 细说( expatiate的现在分词 )
v add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing
expatiate的用法和样例：
例句
- His deep knowledge of the historical background enabled him to expatiate upon the significance of the movement.他对于历史背景的深刻了解使他能够详细阐述这场运动的意义。
- The chairman expatiated for two hours on his plans for the company.董事长用两小时阐述了公司的规划。
词汇搭配
- expatiate upon细说
- expatiate on详述
经典引文
Winter-flies..crawl out..to expatiate in the sun.
出自：J. R. Lowell