bobbing

The small boat was bobbing on the sea.

海里上摆动。

I could see his ginger head bobbing about.

我到他姜黄色的脑袋上移动。

A little bird was bobbing its head up and down.

一只鸟把头上快速摆动着。

The small boat was bobbing on the rough water of the lake.

汹涌的湖面上摆动。

It's the late 1940S,people flew in an aerocar,a car that could turn into an airplane, on TV's "love that bob" show.

1940年代晚期，，车子转变成飞机，电视的。