| 释义 | mag·ne·to·sphere \magˈnēd.ə, -ed.əˌˌ\ noun
 Etymology: magnet- + sphere
 : a region of space that surrounds a celestial object (as the earth or a star) and is dominated by the object's magnetic field so that charged particles are trapped in it
 • mag·ne·to·spheric \ ̷ ̷ ¦ ̷ ̷  ̷ ̷ ˌ\ adjective
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