- 释义：
- n. 钥匙；键；要诀
- 例句：
-
The final key to Europe's world hegemony was her military superiority.
决定欧洲的世界霸权的地位的最终关键是其军事优势.
换一句
-
Transport has always been the key to developing trade.
运输一直是发展贸易的关键.
换一句
-
The machine can reproduce a key in two minutes.
这机器能在两分钟内复制一把钥匙.
换一句