in·vali·dateAWBrE/ɪnˈvælɪdeɪt/NAmE/ɪnˈvælɪdeɪt/verbpresent simple - I / you / we / theyinvalidateBrE/ɪnˈvælɪdeɪt/NAmE/ɪnˈvælɪdeɪt/present simple - he / she / itinvalidatesBrE/ɪnˈvælɪdeɪts/NAmE/ɪnˈvælɪdeɪts/past simpleinvalidatedBrE/ɪnˈvælɪdeɪtɪd/NAmE/ɪnˈvælɪdeɪtɪd/past participleinvalidatedBrE/ɪnˈvælɪdeɪtɪd/NAmE/ɪnˈvælɪdeɪtɪd/ -ing forminvalidatingBrE/ɪnˈvælɪdeɪtɪŋ/NAmE/ɪnˈvælɪdeɪtɪŋ/~sthtoprovethatanidea, astory, anargument, etc. iswrong证明…错误;使站不住脚◆Thisnewpieceofevidenceinvalidateshisversionofevents. 这条新证据推翻了他对事件经过的说法。~sthifyouinvalidateadocument, acontract, anelection, etc., youmakeitnolongerlegallyorofficiallyvalidoracceptable使无效;使作废OPPvalidate▸in·vali·da·tionBrE/ɪnˌvælɪˈdeɪʃn/NAmE/ɪnˌvælɪˈdeɪʃn/noun[U]