bob

在水面或类似介质上轻轻上下移动

To move gently and vertically, in either a single motion or repeatedly up and down, at or near the surface of a body of water, or similar medium.

将头发剪成波波头

To cut (hair) into a bob haircut.

使(某物)像在水中上下浮动。

To move (something) as though it were bobbing in water.

通过剪切来缩短；修剪。

To shorten by cutting; to dock; to crop.

行屈膝礼

To curtsy.

乘坐雪橇

To bobsleigh.

轻轻快速地敲击；轻拍。

To strike with a quick, light blow; to tap.

用线串上蚯蚓钓鳗鱼。

Synonym of blob (“catch eels using worms strung on thread”).