All over the cloud, the number of ice crystals multiplies - and soon the whole cloud might be ice.

云层中的冰晶体数量会倍增，不久整块云层都会成为冰层。

youdao

So far, the ash has only deferred some small domestic flights; larger planes are able to fly over the cloud.

目前，火山灰仅导致一些短距离的国内航班延迟；大型飞机可以在火山灰云上方正常飞行。

youdao

Although the wind was still howling, the couple could hear airplanes flying somewhere over the cloud cover-one every 50 minutes or so.

虽然狂风仍在呼啸，夫妇俩却听见了飞机从云层之上穿过的声音，大概每50分钟就有一架。

youdao

Air traffic over much of Europe came to a halt for six days because of the huge cloud of ash from a volcano in Iceland.

VOA: special.2010.04.23

A big cloud of smoke rose high in the air over Fort Sumter.

VOA: special.2009.08.13

A large fire then broke out, engulfing several shops and spewing a cloud of gray smoke over the area.

VOA: standard.2009.10.28

The PS4 will not provide native support to PS3 games, planning instead to stream old games over the cloud.

FORBES: Don't Worry, PS4 Will Play Used Games

Sales personnel could have access to specialized sales support over the cloud.

FORBES: Cloud Computing Now Makes It Easier (and Cheaper) to Innovate: Study

Companies just need to figure out which applications employees will need to tap into to be productive, make those programs available over the cloud, and develop security from the ground up for the devices accessing the cloud.

FORBES: Connect