Think of it as a cloud copter.

把它想象成一架机。

The  hallowed cheese copter sputtered and twitched.

神圣的奶机发出溅射声并抽着。

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

白降落无人机，特工在北面草坪发了一架两英尺长的四引擎机。

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。