bobbed

She bobbed up from behind the fence.

她突然从篱笆后面钻来。

"A knight of the post bobbed a leatherhead on the street."

一站岗骑士千磨碌。

This problem has bobbed up again.

这问题又现。

The girl bobbed politely at him.

那姑娘礼貌地向他屈膝礼。

She bobbed politely at me.

她有礼貌地向我屈膝礼。

She dived in and bobbed up a few seconds later in the middle of the pool.

她潜入水中，几秒钟后游泳池中央猛地钻水面。