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(单词翻译)
You can see the planet Jupiter on a clear night, but Jupiter is humongous. Mars and Mercury are smaller than that, and you can see them, too. Wait a minute, our moon is even smaller, and you can see that. Could anything smaller than the moon be visible without a telescope? Actually, yes. Though it takes a lot of patience and excellent sky conditions, it is possible to see a tiny object called Vesta. Although it had a molten interior and volcanoes, Vesta isn’t a planet or a moon: it’s an asteroid1. Asteroids2 are stray chunks3 of rocky or metallic4 materials that orbit the sun but were never drawn5 into any of the planets.
收听单词发音
1
asteroid
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| n.小行星;海盘车(动物) | |
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2
asteroids
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| n.小行星( asteroid的名词复数 );海盘车,海星 | |
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3
chunks
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| 厚厚的一块( chunk的名词复数 ); (某物)相当大的数量或部分 | |
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4
metallic
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| adj.金属的;金属制的;含金属的;产金属的;像金属的 | |
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5
drawn
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| v.拖,拉,拔出;adj.憔悴的,紧张的 | |
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