Whoever doubts the influence of friction5 ought to be convinced by watching these meteoric6 specks7 falling through our atmosphere of a clear evening, although the process goes on as much in day as night time.
While falling in space this dust must gain an inconceivable speed, as a feather without resistance falls as rapidly as a ball of lead.
The contact with our atmosphere ignites and evidently consumes them into gas before reaching the Earth. They used to be called falling stars, but if they were of inferior magnitude it is quite probable there would have been many a badly bumped head before this time, from the numbers that have fallen.
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1
volcanic
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adj.火山的;象火山的;由火山引起的 | |
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2
eruptions
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n.喷发,爆发( eruption的名词复数 ) | |
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3
countless
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adj.无数的,多得不计其数的 | |
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4
orb
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n.太阳;星球;v.弄圆;成球形 | |
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5
friction
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n.摩擦,摩擦力 | |
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6
meteoric
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adj.流星的,转瞬即逝的,突然的 | |
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7
specks
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n.眼镜;斑点,微粒,污点( speck的名词复数 ) | |
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