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单词 invalid
释义

invalid

Word family noun validityinvalidity invalidationinvalidhoodinvalidinginvalidisminvalidnessadjective validinvalid verb validateinvalidate adverbinvalidly
in·val·id1 /ɪnˈvælɪd/ ●○○ adjectiveadj  
1 USE somethinga contract, ticket, claim etc that is invalid is not legally or officially acceptable 〔合约、票、所有权等〕无效的,作废的 OPP valid
 Without the right date stamped on it, your ticket will be invalid.
票上若没有加盖正确日期就是废票。
2. WRONG/INCORRECTan argument, reason etc that is invalid is not based on true facts or clear ideas, and lacks good judgment 〔论据、理由等〕站不住脚的 OPP valid
3 if something you type into a computer is invalid, the computer does not recognize or accept it 〔计算机〕不能识别的;不接受的
 Filename in invalid format.
无效格式的文件名
Examples from the Corpus
Related topics: Illness & disability
in·va·lid2 /ˈɪnvəliːd, -lɪd $ -lɪd/ noun [countableC]  
1MIsomeone who cannot look after themselves because of illness, old age, or injury 病弱者;年迈者;伤残者
 I resented being treated as an invalid.
我讨厌别人把我当病人看待。
invalid adjectiveadj [only before noun]
Examples from the Corpus
in·va·lid3 verb  
1.be invalided out (also be invalided home) phrasal verbphr v British EnglishBrE PMto have to leave the army, navy etc because you are ill or injured 〔军人因病或伤而〕退役
From Longman Business Dictionary
invalidin·val·id /ɪnˈvælɪd/ adjectiveadj
1LAW an invalid contract, agreement, document etc is not legally or officially acceptable
Wellcome’s patent to the drug wasruled invalid because the company didn’t invent the compound.
evidence obtained using invalid warrants
2not based on true facts and therefore not right
The promotions lacked balance and madeinvalid comparisons between rival products.
3COMPUTING if something that you type into a computer is invalid, the computer does not recognize or accept it
The date is in an invalid format.
invalidity noun [uncountableU]
The bonds are perforated with small holes to show their invalidity.
Origin invalid1
(1500-1600) Latin invalidus, from validus; → VALID
invalid2
(1600-1700) French invalide, from Latin invalidus; → INVALID1
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更新时间:2025/1/9 5:12:36