If the virus had been capable of spreading through the air, or if one infected person had unknowingly entered a large population center, Ebola might have become a worldwide epidemic.

如果这种病毒能够通过空气传播，或者如果一名感染者在不知情的情况下进入了人口密集的地区，那么埃博拉可能已经成为一种全球流行病。

youdao

Those spots of white emerged from the center of the main monitor and began spreading out and getting larger.

这些白色的亮斑在主显示屏的中心处生成，开始扩散、变得越来越大。

youdao

He's there for a meeting at the Combined Arms Center, the Army's central nervous system for writing and spreading its doctrine.

他是去那儿的联合兵种中心开会，该中心是美军撰写和发布文件的中枢神经系统。

youdao

Press down on the center, spreading the dough, or roll into a 7- or 8-inch circle -- the outer border a little thicker than the inner circle.

CNN: Pizza Dough

In the end, they compromised with one token cupholder--a technical marvel that springs from the center console, spreading its tiny arms.

FORBES: German Touch

Dr. Alasdair Conn, chief of emergency medicine, praised Boston's EMTs for equitably spreading patients across the city and not deluging any trauma center with too many critical patients.

WSJ: At Boston Hospitals, An Ordinary Day Turns to Pandemonium