英文词典‌是一种专门为语言学习设计的工具，主要功能包括单词释义查询、英汉互译、发音指导等基础服务。

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• hydropore
• hydroponist
• hydroponics
• hydroponic
• hydropolyp
• hydropolymerization
• hydropolymer
• hydropolylitionite
• hydropneumothorax
• hydropneumopericardium
• hydropneumonia
• hydropneumatosis
• hydropneumatics
• hydropneumatic
• hydroplutonic
• hydropleuritis
• hydroplasticity
• hydroplasmia
• hydroplanula
• hydroplane