词组短语短语Lernaean effective Hydra 喀戎被浸过水蛇许得拉Lernaean excellent Hydra 喀戎被浸过水蛇许得拉The Lernaean Hydra 杀死勒耳那的水蛇;海德拉Heracles killing the Lernaean Hydra 赫拉克勒斯杀死勒拿的九头蛇