keep up與keep on的區別 keepup與keepon有什麼不同

1、keep on後面接動名詞。

She kept on working although she was tired.

她雖疲勞但仍繼續工作。

2、keep up後面接名詞。

例句： The enemy kept up their bombardment day and night.

敵軍日夜不停地狂轟濫炸。