sup·ple·mentAWverbpresent simple - I / you / we / theysupplementBrE/ˈsʌplɪment/NAmE/ˈsʌplɪment/present simple - he / she / itsupplementsBrE/ˈsʌplɪments/NAmE/ˈsʌplɪments/past simplesupplementedBrE/ˈsʌplɪmentɪd/NAmE/ˈsʌplɪmentɪd/past participlesupplementedBrE/ˈsʌplɪmentɪd/NAmE/ˈsʌplɪmentɪd/ -ing formsupplementingBrE/ˈsʌplɪmentɪŋ/NAmE/ˈsʌplɪmentɪŋ/BrE/ˈsʌplɪment/NAmE/ˈsʌplɪment/toaddsthtosthinordertoimproveitormakeitmorecomplete增补;补充◆~sthwithsthadietsupplementedwithvitaminpills搭配有维生素片的饮食◆~sthHesupplementshisincomebygivingprivatelessons. 他当家庭教师以补充收入。▸sup·ple·men·ta·tionBrE/ˌsʌplɪmenˈteɪʃn/NAmE/ˌsʌplɪmenˈteɪʃn/noun[U]