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hydra-的英文翻譯是什麼意思，詞典釋義與在線翻譯：
英英釋義
名詞 hydra:
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(Greek mythology) monster with nine heads; when struck off each head was replaced by two new ones
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a long faint constellation in the southern hemisphere near the equator stretching between Virgo and Cancer
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trouble that cannot be overcome by a single effort because of its many aspects or its persistent and pervasive quality
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small tubular solitary freshwater hydrozoan polyp
