But radiation as a general term actually refers to anything that spreads away from its source.

但是辐射作为一个通用术语，实际是指所有从其源头扩散开来的东西。

youdao

But radiation is not.

但辐射是无形的。

youdao

But radiation is there.

但是辐射是存在的。

youdao

"Of course,we don't know what doses they've received, but the only persons at risk of acute radiation effects are the workers."

VOA: special.2011.03.16

But a recent study warned that more children than necessary are being exposed to radiation this way.

VOA: special.2009.10.28

Microwaves are a form of electromagnetic radiation similar to, but shorter than,radio waves.

VOA: special.2010.09.01

They had lead vests, but the radiation was coming from below, and they weren't protected there.

NPR: 'Voices of Chernobyl': Survivors' Stories

"Not only would we lose up to half of our land, but spread radiation to the rest of the world, " he said.

WSJ: Japan's Ex-Premier Turns Anti-Nuclear Activist

But the radiation deaths will likely be a number so small, compared with the tsunami deaths, that they should not be a central consideration in policy decisions.

WSJ: The Panic Over Fukushima