是人教版五年级学的,意思是大门,例如:

1、She swung herself over the gate in one smooth movement.她从门上一跃而过。

2、A high gate blocks the only entrance to the rear.一座高大的门挡住了通往后面的唯一入口。

3、When the gate is raised, the water can flow freely.闸门提起时水就可以畅流。