有效率的；有能力的；生效的。可以接at或者in。computers are very efficient at manipulating information. Efficient的各种词性如下： 一、词性形式 1、efficient，形容词。用来描述效率高的、胜任的。例如：this is a highly efficient new heating system.这是个高效的新取暖系统。 2. [u] the quality of doing something well and effectively, without wasting time, money, or energy 效率；效能 opp.
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效能 efficient： doing sth well and thoroughly with no waste of time, money or energy — i.e., completing a task cheaper or faster.
你知道 「有效的、有效率的」的英文是 efficient 还是 effective 呢？这两个英文单字是易混淆字，很多人常常会搞不清楚哪个单字是指有效率的，哪个单字则是指有效益的。如果你还不知道.
