你可以安装一个电机或一个小螺旋桨，如果风冲击，它就会开始移动。

You can install a motor or a little propeller, and if the wind strikes it, it'll start moving.

youdao

你可以安装一个电机或一个小螺旋桨，如果风冲击，它就会开始移动。

You can install a motor or a little propeller, and if the wind strikes it, it'll start moving.

youdao