n. 鑰匙;(打字機等的)鍵;關鍵,線索,秘訣;(音樂的)調;
vt. 鍵入;鎖上;調節…的音調;提供線索;
vi. 使用鑰匙;
adj. 關鍵的;主要的;
??? 情景例句
I can't run as fast as you, but I can jump a lot higher.
我跑得比你慢,但跳得比你高。
Good-bye, Mike.
再見,邁克。
Imagine their surprise and delight when they broke open the packing cases and found that the fourth engine was sweet as honey -- still in perfect condition.