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(单词翻译:双击或拖选)
Some folks have a kind of middle-torso bulge1 known affectionately as "love handles." Well, if you are such a person, take heart: the entire planet suffers from this same indignity2. In fact, any rotating body will have a tendency to bulge in the middle, as long as it’s made of a non-rigid substance. A spinning bowling3 ball stays round, but not a spinning water balloon. Though it seems pretty solid to us, the earth qualifies as a non-rigid body. Considered from a far-enough vantage point, Earth’s molten interior, its oceans, and its shifting plates make it more like a water balloon than a bowling ball. And sure enough, the earth’s spin causes it to bulge.
1 bulge | |
n.突出,膨胀,激增;vt.突出,膨胀 | |
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2 indignity | |
n.侮辱,伤害尊严,轻蔑 | |
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3 bowling | |
n.保龄球运动 | |
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