radiation belt
US /ˌreɪ.diˈeɪ.ʃən belt/
UK /ˌreɪ.diˈeɪ.ʃən belt/
名詞
輻射帶
a region of charged particles, such as protons and electrons, trapped by a planet's magnetic field
範例:
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The Van Allen radiation belt protects the Earth from solar wind.
范艾倫輻射帶保護地球免受太陽風的侵害。
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Spacecraft must be shielded when passing through a radiation belt.
航天器在穿過輻射帶時必須進行屏蔽。