vainly ['veinli]

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单词级别

附加级

基本释义

ad.徒劳地

参考例句

He shouted after them, vainly trying to attract their attention. 他在他们的后面高喊，想引起他们的注意，却是徒劳。
The team captain vainly tried to rally his troops. 队长试图振作部队的士气，但没有成功。

vainly ['veinli]

单词级别

基本释义

参考例句

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