keep doing/ keep on doing (1) keep doing指的是連續(xù)地.堅(jiān)持不斷地做某事.中間不間斷. It kept blowing for a whole day.刮了一整天風(fēng)了. The temperature keeps dropping.溫度持續(xù)下降. (2) keep on doing是指反復(fù)堅(jiān)持做某事.但動作之間略有間隔. They have kept on writing to each other for many years.他們已經(jīng)互相通信多年了. After drinking some water, he kept on talking.喝了一些水后.他堅(jiān)持講話. 【查看更多】