bobbed

She bobbed up from behind the fence.

突然从篱笆后面钻出来。

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

一个士在街上千个磨碌。

The girl bobbed politely at him.

那姑娘礼貌向他行个屈膝礼。

This problem has bobbed up again.

这个问题又出。

She bobbed politely at me.

有礼貌向我行屈膝礼。

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

潜入水中，几秒钟后在游泳池中央猛钻出水面。