| 单词 | invalidate |
| 释义 | in·vali·dateAW BrE /ɪnˈvælɪdeɪt/ NAmE /ɪnˈvælɪdeɪt/ verb present simple - I / you / we / they invalidateBrE /ɪnˈvælɪdeɪt/ NAmE /ɪnˈvælɪdeɪt/ present simple - he / she / it invalidatesBrE /ɪnˈvælɪdeɪts/ NAmE /ɪnˈvælɪdeɪts/ past simple invalidatedBrE /ɪnˈvælɪdeɪtɪd/ NAmE /ɪnˈvælɪdeɪtɪd/ past participle invalidatedBrE /ɪnˈvælɪdeɪtɪd/ NAmE /ɪnˈvælɪdeɪtɪd/ -ing form invalidatingBrE /ɪnˈvælɪdeɪtɪŋ/ NAmE /ɪnˈvælɪdeɪtɪŋ/ ~sth to prove that an idea , a story , an argument , etc . is wrong 证明…错误；使站不住脚◆ This new piece of evidence invalidates his version of events . 这条新证据推翻了他对事件经过的说法。~sth if you invalidate a document , a contract , an election , etc ., you make it no longer legally or officially valid or acceptable 使无效；使作废OPP validate▸ in·vali·da·tionBrE /ɪnˌvælɪˈdeɪʃn/ NAmE /ɪnˌvælɪˈdeɪʃn/ noun [U ] |
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