If you really needed to take out a lot of tissue, the cancer had, in all probability, already spread through the system.

如果你真的需要取出很多组织，癌症很可能已经蔓延到了整个系统。

A wave of panic spread through the crowd.

一阵恐慌传遍人群。

The custom of choosing a sweetheart on this date spread through Europe in the Middle Ages, and then to the early American colonies.

中世纪时，在这个日子里选择意中人的习俗传遍了欧洲，然后又传到了早期的美洲殖民地。

It gets spread through ACCTS.

它传遍爱世界组织。

These toys can then spread through the social graph.

这些工具一经发布就能在社会图上传播开来。