hydra [ˈhaɪdrə]
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基本释义
n.水螅;难于根除的祸患
英英释义
in ancient Greek stories , a creature with many heads that grew again when cut off
参考例句
Let's knock down those hydras and drive them to the sea! 让我们铲除祸根,把他们赶到大海去!
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。
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