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

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

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