Machines Help

Machines help.

机器会帮忙。

A fire truck helps us.

消防车帮助我们。

A dump truck helps us.

翻斗车帮助我们。

A bulldozer helps us.

推土机帮助我们。

A tractor helps us.

拖拉机帮助我们。

A helicopter helps us.

直升机帮助我们。