To pull hard or suddenly.

• To keep pulling at something.

用力或突然一拉。

• 反复用力拽拉。

To tow using a tugboat.

用拖船拖带。

A sudden strong pull; a yank.

猛的一拉；猛拽。

A small powerful boat that tows larger vessels.

拖带大型船只的小型有力船。

A small towing vehicle for moving aircraft or trailers.

用于移动飞机或拖车的小型牵引车。