radiation belt
US /ˌreɪ.diˈeɪ.ʃən belt/
UK /ˌreɪ.diˈeɪ.ʃən belt/
名词
辐射带
a region of charged particles, such as protons and electrons, trapped by a planet's magnetic field
示例:
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The Van Allen radiation belt protects the Earth from solar wind.
范艾伦辐射带保护地球免受太阳风的侵害。
•
Spacecraft must be shielded when passing through a radiation belt.
航天器在穿过辐射带时必须进行屏蔽。