invalidate
柯林斯詞典
1. V-T If something invalidates something such as a law, contract, or election, it causes it to be considered illegal. 使無效
An official decree invalidated the vote in the capital. 一項官方法令使首都的投票失去了效力。
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invalidate /?n?v?l??de?t/ (invalidating,invalidated,invalidates)
劍橋詞典
- to officially stop a document , ticket , law , etc. being legally or officially acceptable
使無效；使作廢
to prove that an opinion , argument , etc. is wrong
證明（觀點、論點等）錯誤 返回 invalidate