de·hy·drateBrE/diːˈhaɪdreɪt/NAmE/diːˈhaɪdreɪt/BrE/ˌdiːhaɪˈdreɪt/NAmE/ˌdiːhaɪˈdreɪt/verbpresent simple - I / you / we / theydehydrateBrE/diːˈhaɪdreɪt/NAmE/diːˈhaɪdreɪt/BrE/ˌdiːhaɪˈdreɪt/NAmE/ˌdiːhaɪˈdreɪt/present simple - he / she / itdehydratesBrE/diːˈhaɪdreɪts/NAmE/diːˈhaɪdreɪts/BrE/ˌdiːhaɪˈdreɪts/NAmE/ˌdiːhaɪˈdreɪts/past simpledehydratedBrE/ˌdiːhaɪˈdreɪtɪd/NAmE/ˌdiːhaɪˈdreɪtɪd/past participledehydratedBrE/ˌdiːhaɪˈdreɪtɪd/NAmE/ˌdiːhaɪˈdreɪtɪd/ -ing formdehydratingBrE/diːˈhaɪdreɪtɪŋ/NAmE/diːˈhaɪdreɪtɪŋ/BrE/ˌdiːhaɪˈdreɪtɪŋ/NAmE/ˌdiːhaɪˈdreɪtɪŋ/[T, usually passive]~sthtoremovethewaterfromsth, especiallyfood, inordertopreserveit使（食物）脱水[I, T]tolosetoomuchwaterfromyourbody; tomakeaperson'sbodylosetoomuchwater（身体）失水，脱水；使（身体）脱水◆Runnerscandehydrateveryquicklyinthisheat. 天这样热，赛跑运动员很快会脱水。◆~sbthedehydratingeffectsofalcohol酒精引起的脱水▸de·hy·dra·tionBrE/ˌdiːhaɪˈdreɪʃn/NAmE/ˌdiːhaɪˈdreɪʃn/noun[U]◆tosufferfromdehydration受脱水之苦▸de·hy·dratedBrE/ˌdiːhaɪˈdreɪtɪd/NAmE/ˌdiːhaɪˈdreɪtɪd/adjective◆Drinklotsofwatertoavoidbecomingdehydrated. 要大量饮水，以免脱水。