?? 詞語組成解析
key
[ki?]
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
Turn around, Michelle. Let me see the back of it.
轉過去一下， Michelle。讓我看看它的背面。
You can have no more of the fox than the skin.
狐貍除了皮，旁的全無用。
It was noticed that there were no signs or warnings on the supply lines that ran round the port.
人們這才注意到，鋪設在碼頭周圍的供應管道上沒有貼標簽或告示。