The suit also protects them from harmful radiation and fast-moving space dust.

宇航服还能保护他们免受有害辐射和快速移动的太空尘埃的伤害。

youdao

And they don't have to worry about harmful radiation.

而且他们没必要担心辐射的伤害。

youdao

Ozone in the atmosphere protects the earth from harmful radiation from the sun.

大气中臭氧层保护地球免受太阳的有害辐射。

youdao

But some doctors say the CT scan exposes patients unnecessarily to harmful radiation, as much radiation as a patient might receive from 400 chest x-rays.

VOA: standard.2010.04.07

Radiation used in CT scans may be harmful to the genetic material within mummified remains.

VOA: special.2010.06.29

It was "very unlikely" that harmful radiation levels from the damaged Japanese reactors would reach U.S. shores, Mr. Jaczko said during a White House briefing.

WSJ: Obama Administration Stands Behind Nuclear Power

Earth's magnetic field helps to deflect much of that harmful radiation.

NPR: Astronauts Face Radiation Threat On Long Mars Trip

U.S. officials also sought to reassure the public that American nuclear facilities are safe and played down the likelihood of harmful radiation reaching the U.S. from Japan.

WSJ: Obama Administration Stands Behind Nuclear Power