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。
The suit also protects them from harmful radiation and fast-moving space dust.
他们还将面临比父辈更长的潜在有害辐射。
They'll also be exposed to the potentially harmful radiation significantly longer than their parents' generation.
大气中臭氧层保护地球免受太阳的有害辐射。
Ozone in the atmosphere protects the earth from harmful radiation from the sun.
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