They also form when DNA is exposed to radiation.

当DNA暴露在辐射中时，也会形成这种物质。

NASA says astronauts are exposed to radiation anywhere from 50 to 2,000 millisieverts.

美国宇航局称宇航员暴露在50到2000毫西弗的辐射中。

He was fatally exposed to radiation during the seven months he spent covering the battle.

在报导切尔诺贝利抢救行动的7个月中，他暴露在致命的辐射里。

Cancer rates among thousands of people exposed to radiation remain high as do birth defects in newborn babies.

暴露在辐射中的成千上万人的癌症发病率仍然很高，新生儿出生缺陷率也很高。

The longer the soil was exposed to radiation and solar wind on the moon, the worse the plants seemed to do.

月球上的土壤暴露在辐射和太阳风中的时间越长，植物的长势似乎就越糟糕。

We're exposed to radiation every day on Earth.

我们在地球上每天都受到辐射。

If you've been exposed to radiation, wash off before bed.

如果您曾接触过辐射，请在睡前清洗干净。

The first in-depth study of children whose parents were exposed to radiation from the Chernobyl nuclear disaster in 1986, has found no inherited damage to their DNA.

对1986年切尔诺贝利核灾难中父母暴露在辐射中的儿童进行的首次深入研究发现，他们的DNA没有遗传损伤。