单词 | Hydra |
释义 | Hy·dra (hīdrə) n. 1. Greek Mythology The many-headed monster that was slain by Hercules. 2. Astronomy A satellite of Pluto. 3. A constellation in the equatorial region of the southern sky near Cancer, Libra, and Centaurus. Also called Snake2. 4. A persistent or multifaceted problem that cannot be eradicated by a single effort. [Middle English Idra, from Latin Hydra, fromGreekHudrā, Hydra, a water serpent; see wed-1 in the Appendix of Indo-European roots.] Hydradetail of a late 6th-century BC black-figure amphora depicting Hercules slaying the Hydra of Lerna |
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