Think of it as a cloud copter.

把它想象成一架升机。

But you can't send copters for everything.

但并非所有情况都升机。

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

白宫惊降落无人机，特工在北面草坪发了一架两英尺长的引擎升机。

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。

Pang climbers leave first, then camp staff pack up all their stuff and yak or copter it down valley, either to rented space in villages between Lukla and Base Camp, or all the way to Katmandu.

首先离开的是Pang登山者， 接着营地工作人员打包所有物品， 用牦牛或升机将它们运下山谷，要么运到卢克拉与大本营之间的村庄租用的空间，要么接运到加德满都。