First the machine takes off and hovers above the ground by firing downward-facing nozzles.

首先这种机器启动后加热朝下的喷嘴，会在地上盘旋。

youdao

First the machine takes off and hovers above the ground by firing downward-facing nozzles.

首先这种机器启动后加热朝下的喷嘴，会在地上盘旋。

youdao