But if our planet didn't have a magnetic field at all, things could be a lot worse.
但如果地球没有磁场,事情会变得更糟。
单词 | all magnetic |
例句 |
原声例句
《分钟地球》趣味科普(精选双语) But if our planet didn't have a magnetic field at all, things could be a lot worse. 但如果地球没有磁场,事情会变得更糟。 玩转物理学 I thought all magnetic field lines were closed loops. 我认为所有的磁力线都是闭环的。 |
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