2. 負責或承擔(他人的義務(wù)或工作):cover a lot of ground涉及廣泛 | coverfor負責或承擔(他人的義務(wù)或工作) | crack a book讀書(shū),用功
3. 掩護:His joke fell flat because no one understand it.他的笑話(huà)沒(méi)人聽(tīng)懂,所以沒(méi)有收到效果. | 249. coverfor掩護 | Don't worry about mother, I'll coverfor you this time.別擔心媽媽那邊,這一次我會(huì )為你掩護的....