round-down
释义
下舍入
例句
1·He was tired of the merry-go-round of romance and longed to settle down .
他厌倦了没完没了的风流韵事，渴望安定下来。
《牛津词典》
2·Two thousand is a nice round number—put that down .
两千是个不错的整数—记下吧。
《牛津词典》
3·He knocked his opponent down three times in the first round .
他第一局就将对手击倒三次。
《牛津词典》
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