ストロンチウム90:ストロンチウムの放射性同位体の一つ;放射性降下物に含まれ人体に有害。
I fell asleep? Totally. Really? You were very restless, did you have a scary dream?
I fell asleep?
Totally.
Really?
You were very restless, did you have a scary dream?
This airport doesn't have as many flights as New Chitose Airport and even looking from the observation deck at first there were no planes.
Strontium 90: One of the radioisotopes of strontium; part of radioactive fallout, harmful to human health.
有害な
有害な化学物質にさらされると、重篤な健康影響が出る可能性があります。
有害な,害になる
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