efficiency [ɪˈfɪʃnsi]以下由轻松背单词网站提供
单词级别第5级基本释义n.效率,效能,功效英英释义when someone or something uses time and energy well, without wasting any参考例句We were most impressed with your efficiency. 你的效率给我们留下很深刻的印象。Our goal is to achieve the maximum of efficiency. 我们的目标是取得最高的效率。 推荐阅读 |