精讲巧练
重点词汇
efficient
【原句回放】In many ways learning to be an efficient listener is similar to learning to be an efficient reader. (P40)
【点拨】efficient adj. working well and without waste or delay 表示“有效的；效率高的”，make efficient use of 有效的利用，
如：The new secretary is a quick, efficient worker, and the boss is quite satisfied with her.
This new copy machine is more efficient than the old one.
