hydras

听听怎么读

[ˈhaidrəz]

是什么意思

水螅( hydra的名词复数 )；难于根除的祸患；九头蛇；

英英释义

hydra

n.
- (Greek mythology) monster with nine heads; when struck off each head was replaced by two new ones
- a long faint constellation in the southern hemisphere near the equator stretching between Virgo and Cancer
  同义词：Snake
- trouble that cannot be overcome by a single effort because of its many aspects or its persistent and pervasive quality
  "we may be facing a hydra that defies any easy solution"
- small tubular solitary freshwater hydrozoan polyp

学习怎么用

双语例句

用作名词(n.)

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。
That's weird, that rope comes out of a hydra neck? I can't even reach it!
真怪异
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。
The bodies of the hydra and sea anemone can produce buds.
水螅和海葵的身体能产生芽。

权威例句

HydrAS
Beheading hydras:performing effective botnet takedowns
Beheading hydras: performing effective botnet takedowns
Cnidarians, the jellyfish and hydras
Pacemaker Hierarchies Controlling the Behaviour of Hydras
Competition-based head versus foot decision in chimeric hydras
Multiple Mariner transposons in flatworms and hydras are related to those of insects.
Osmium tetroxide-zinc iodide staining of Golgi elements and surface coats of hydras.
Taxonomic Studies on the Hydras of North America. VIII. Description of Two New Species, with New Records and a Key to the North Amer...
Taxonomic Studies on the Hydras of North America. VII. Description of Chlorohydra hadleyi, new species, with a Key to the North Amer...

h开头的单词