hydras

n.

水螅( hydra的名词复数 )；难于根除的祸患；九头蛇；

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。

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...