invalidate
verb /ɪnˈvælɪdeɪt/
/ɪnˈvælɪdeɪt/
动词形式
| present simple I / you / we / they invalidate | /ɪnˈvælɪdeɪt/ /ɪnˈvælɪdeɪt/ |
| he / she / it invalidates | /ɪnˈvælɪdeɪts/ /ɪnˈvælɪdeɪts/ |
| past simple invalidated | /ɪnˈvælɪdeɪtɪd/ /ɪnˈvælɪdeɪtɪd/ |
| past participle invalidated | /ɪnˈvælɪdeɪtɪd/ /ɪnˈvælɪdeɪtɪd/ |
| -ing form invalidating | /ɪnˈvælɪdeɪtɪŋ/ /ɪnˈvælɪdeɪtɪŋ/ |
- invalidate something 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。 - Flawed research methods may invalidate the study’s conclusions.
错误的研究方法可能会使得研究结论站不住脚。
- This new piece of evidence invalidates his version of events.
- invalidate something if you invalidate a document, a contract, an election, etc., you make it no longer legally or officially acceptable
使无效；使作废 - Misuse of the mattress will invalidate the guarantee
床垫因使用不当造成的损坏不予保修。
- Misuse of the mattress will invalidate the guarantee
词源mid 17th cent.: from medieval Latin invalidat- ‘annulled’, from the verb invalidare (based on Latin validus ‘strong’).