run

n. 奔跑,路程,趋向
v. 跑,运转,进行,运转,经营,褪色
vbl. 跑,进行,延续

The little boy ran off to get his brother.

这个小男孩跑去找他的哥哥。

The petrol is running out.

汽油快要耗尽了。