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If something or someone is efficient, they are able to do tasks successfully, without wasting time or energy.
systematic , organized
With today's more efficient contraception women can plan their families and careers.
如今有了更为高效的避孕方法，女性们可以规划自己的家庭和事业。
Technological advances allow more efficient use of labour.
科技的进步使劳力使用更高效。
an efficient way of testing thousands of compounds.
能测试上千种化合物的高效方法。
雅思英语词汇收录8785个雅思英语词条，基本涵盖了全部常用雅思英语词汇的翻译及释义，是英语学习的有利工具。