Hydra [无脊椎] 水螅 ; 九头蛇(Hybrid Defense Recon Assault) ; 伊兹拉岛 ; 冥卫三
Lernaean Hydra 九头蛇 ; 也称勒拿九头蛇 ; 勒耳拿的海德拉
Hydra Bow 九头蛇弓 ; 九头蛇之弓
Hydra IQ 水蛋白保湿科技 ; 水蛋白 ; 崭新保湿技术
Hydra Steel 海德拉热模具钢 ; 海德拉热作模具钢
Fleur-Hydra Complex 保湿复合体 ; 纯自然保湿复合体
HYDRA RIG 海德瑞 ; 海得力
Project Hydra 九头蛇计划 ; 海德拉计划
hydra-cell 隔膜泵 ; 计量泵 ; 高压泵
·2,447,543篇论文数据，部分数据来源于NoteExpress
同义词： Snake
"we may be facing a hydra that defies any easy solution"
以上来源于: WordNet
N any solitary freshwater hydroid coelenterate of the genus Hydra, in which the body is a slender polyp with tentacles around the mouth 水螅
The main erosion patterns in the north of Hebei province are wind-erosion and hydra-erosion.
冀北地区土壤侵蚀以风力侵蚀和水力侵蚀为主。
There are many reasons leading to these problems and they are always hydra-headed and complex.
导致这些问题出现的原因很多，头绪纷繁复杂。
IN GREEK legend, the hydra was a many-headed monster. If a head was severed, it grew back.
希腊神话中，许德拉是一头九首怪物，它的头如果被砍，马上就会长回；其实在某些故事版本中，会很快长出两个头。
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