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TOEFL BNC: 14319 COCA: 14552
invalidate
ɪnvælɪdeɪt ɪnˈvæləˌdeɪt
Word forms: 3rd person singular present tense invalidates, present participle invalidating, past tense , past participle invalidated
1 VERB

駁倒;證明站不住腳 To invalidate something such as an argument, conclusion, or result means to prove that it is wrong or cause it to be wrong. 駁倒;證明站不住腳
  • Any form of physical activity will invalidate the results. [VERB noun]

    任何形式的物理活動都會證明這些結果是錯誤的。

  • Some of the other criticisms were invalidated years ago. [VERB noun]

    其他的一些批評多年以前就被證明站不住腳。

2 VERB

使無效;使作廢 If something invalidates something such as a law, contract, or election, it causes it to be considered illegal. 使無效;使作廢
  • An official decree invalidated the vote in the capital. [VERB noun]

    一份官方法令宣布在首都舉行的投票無效。

  • A contract signed now might be invalidated at some future date. [VERB noun]

    現在簽訂的合同可能在將來的某一天就會失效。

Trends of invalidate
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