Reenforcement
[ [ˌri:in'fɔ:sment] ]
第5级
其它 Other
[医] 增强, 增力
🗣️ 情景例句
I'm afraid I'm awfully late.
我实在太迟了。
They enjoy being idled.
他们以偷懒为乐。
This is because the surface of the earth is not flat but round.
因为地球表面不是平的，而是圆的。