| 单词 | magnetosphere |
| 释义 | magnetosphere[mæg'ni:təsfiə]n. 磁层【电】 磁动层 magnetosphere mag.ne.to.sphere AHD: [m²g-n¶“t½-sfîr”] D.J. [m#g6ni8t*&7sf!*]K.K. [m#g6nito7sf!r]n.（名词）An asymmetrical region surrounding the earth, extending from about one hundred to several thousand kilometers above the surface, in which charged particles are trapped and their behavior is dominated by the earth's magnetic field.磁层：地球周围的一个不对称区域，从地球表面向空中延伸大约一百公里到数千公里，在磁层里电荷的粒子活动受到限制，它们的运动受地球的磁场支配 |
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