学习资料

[意       思]n. 效率，效能，功效
[例]  These machines have increased our work efficiency many times. 这些机器使我们的工作效率提高了许多倍。

更多意思

n.1.  效能，效率
2.  提高实效的办法
3.  功率

参考例句

1.	We were most impressed with/by your efficiency .
	你的工作效率很高,我们极为钦佩。
2.	Such action can be justified on the grounds of greater efficiency .
	以提高功效为依据可以证明采取这种措施是 正确的。
3.	You are in no position to preach to me about efficiency !
	你没有资格对我大谈什么效率问题！
4.	The two companies consolidated for greater efficiency .
	这两家公司已合并以提高效率。
5.	Our efforts should be directed towards greater efficiency .
	我们应该努力提高效率。