late 14c., "making, producing immediate effect, active, effective," from Old French efficient and directly from Latin efficientem (nominative efficiens) "effective, efficient, producing, active," present participle of efficere "work out, accomplish" (see effect). Meaning "productive, skilled" is from 1787. Related: Efficiently.
实用例句
1. The pill is the most efficient method of birth control.
服用避孕药是最有效的避孕方法。
来自柯林斯例句
2. These people are very efficient, very organized and excellent time managers.
这些人做事效率很高，井井有条，并且十分善于管理时间。
来自柯林斯例句
3. The process of replication is very quick and efficient.
复制的过程快捷、高效。
来自柯林斯例句
4. Service was outstandingly friendly and efficient, falling down on only one detail.
服务态度极佳，效率也蛮高，仅在一个小地方不尽人意。
来自柯林斯例句
5. An efficient bulb may lighten the load of power stations.
