They can directly attack live tissue, which the body must then strain to replace.

它们会直接攻击活组织，这样的话人体就必须再生以便替换受攻击的组织。

youdao

Las Vegas was to star in the nation's first live exercise meant to simulate a terrorist attack with an atom bomb, the test involving about 10, 000 emergency responders.

拉斯维加斯将在该国首次意在模拟核恐怖袭击的实弹演习中扮演主角，该演习将测试约10 000个应急响应设备。

youdao

That meant when someone had a heart attack they had to live with damage and their quality of life was often severely curtailed.

这意味着当某人患有心脏病时，他的心脏一定会有损伤，他们的生活质量常常会严重下降。

youdao

He actually died onstage, collapsing from a heart attack during a 1984 live TV broadcast.

NEWYORKER: Dead Man Laughing

Its members live each day worried that the next attack will come tomorrow.

CNN: At the crossroads of terror

This bill is about protecting those liberties and protecting individuals' rights to live their lives without fear of terrorist attack.

BBC: MPs pass Terrorist Asset-Freezing Bill