hy·drate1 /ˈhaɪdreɪt/ verb [transitiveT] to supply someone or something with water to keep them healthy and in good condition 给…供给水分 OPP dehydrate After you run, drink plenty of water to stay well hydrated. 跑步后要多喝水,以保持体内水分充足。
n Grammar Hydrate is usually passive.
—hydration /haɪˈdreɪʃən/ noun [uncountableU]