hydra-
英['haɪdrə]
美['haɪdrə]
- hole n.洞；孔；穴；漏洞；困境v.挖洞；掘坑；进洞
- hyaloid adj.玻璃状的；透明的n.玻璃状膜
名词 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
