Think of it as a cloud copter.

把它想象成一架直升机。

The  hallowed cheese copter sputtered and twitched.

神圣的奶酪直升机发出并抽着。

And the White House got a surprise landing after secret service agents discovered a 2-foot quad copter on the north lawn.

白宫惊现降落无人机，特工在北面草坪发现了一架两英尺长的四引擎直升机。

This is a quad copter that Dubai's experimenting with not to give out traffic tickets but more for things like search and rescue.

这是一架四角直升机，迪拜的实验不是发放交通罚单，而是更多的是搜索和救援的事情。