[医] 水化物, 水合物
n (Greek mythology) monster with nine heads; when struck off each head was replaced by two new ones
n a long faint constellation in the southern hemisphere near the equator stretching between Virgo and Cancer
n trouble that cannot be overcome by a single effort because of its many aspects or its persistent and pervasive quality
n small tubular solitary freshwater hydrozoan polyp

hydra的用法和样例:

例句

用作名词(n.)
  1. This beast is Hydra, it has terrorized my seas for far too long.这个怪兽就是九头蛇,它威胁我的海洋已经很久了。
  2. That's weird, that rope comes out of a hydra neck? I can't even reach it!真怪异
  3. We may be facing a hydra that defies any easy solution.我们也许正面临一个无法轻易解决的难题。
  4. The bodies of the hydra and sea anemone can produce buds.水螅和海葵的身体能产生芽。

词汇搭配

  • hydra(希腊神话中的)九头...

经典引文

  • They are the hydra assailants which return with every hour.

    出自:M. Robinson
【近义词】