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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• hydrometra
• hydrometer
• hydrometeorology
• hydrometeorologist
• hydrometeor
• hydrometamorphism
• hydrometallurgy
• hydromeninx
• hydromelanothalite
• hydromel
• Hydromedusae
• hydromechanization
• hydromechanics
• hydromechanical
• hydromatic
• hydromassage
• Hydromantes
• hydromanometer
• hydromancy
• hydromancer