n.（希臘神話中的）九頭蛇；難以根除之禍害；水螅

Hydra.

n.長(zhǎng)蛇星座

This beast is Hydra, it has terrorized my seas for far too long. 這個(gè)怪獸就是九頭蛇,它威脅我的海洋已經(jīng)很久了。

That's weird, that rope comes out of a hydra neck? I can't even reach it! 真怪異

We may be facing a hydra that defies any easy solution. 我們也許正面臨一個(gè)無(wú)法輕易解決的難題。

The bodies of the hydra and sea anemone can produce buds. 水螅和海葵的身體能產(chǎn)生芽。