keep up与keep on的区别 keepup与keepon有什么不同

1、keep on后面接动名词。

She kept on working although she was tired.

她虽疲劳但仍继续工作。

2、keep up后面接名词。

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

敌军日夜不停地狂轰滥炸。