- 释义：
- adj. 效率高的
- 构词：
- ef出+fici做,制作+ent……的→能做出事来→有效的
- 例句：
-
A quietly efficient manservant brought them coffee and brandy.
一个不起眼而能干的男仆给他们端来了咖啡和白兰地.
换一句
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It's better to plan if you want arrangements to be really efficient.
如果你希望有个紧凑的安排,最好事先做个计划.
换一句
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The heating system has recently been modified to make it more efficient.
暖气设备最近已进行了改造,使其效率得到提高.
换一句