Devonian
英
美
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adj.
泥盆纪的;英国德文郡的
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n.
泥盆纪;英国德文郡人
Noun:
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from 405 million to 345 million years ago; preponderance of fishes and appearance of amphibians and ammonites
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用作形容词 (adj.)
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Near the end of Devonian times, thirty percent of all animal life vanished.
临近泥盆纪末时,地球上所有动物种类中的百分之三十都已灭绝。
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