| 单词 | invalid |
| 释义 | invalid adjectiveadverb | verbs adverb➤scientifically, statistically, technically科学上／统计学上／技术上无效verbs➤be无效▸➤become变得无效➤make sth, render sth使⋯无效◆this action would render the agreement invalid.这一行动会导致协议无效。➤consider sth, declare sth, deem sth认为⋯／宣布⋯／认定⋯无效◆the contract was declared invalid.合同被宣布无效。 invalid /ɪnvælɪd/ adjective1.not legally or officially acceptable （法律上或官方）不承认的；无效的◆the contract was invalid because parts were added after it was signed. 由于合同签署后又添加了内容，因此这一合同无效。2. (it 信息技术) of a type that a computer cannot recognize 不能识别的；无效的◆the url is invalid. 这网址无效。3.not based on all the facts and therefore not correct 无充分事实的；站不住脚的◆an invalid argument 站不住脚的论点 opp valid ▸ invalidity /ɪnvəlɪdəti/ noun [uncountable] ☞ invalidinvalid /ɪnvəlɪd, ɪnvəliːd/ [countable] a person who needs other people to take care of them, because of illness that they have had for a long time病弱者；久病衰弱者◆she had been a delicate child and her parents had treated her as an invalid.她儿时身体虚弱，父母把她当病人照料。invalid¹/ɪnˈvælɪd ||; ɪnˈvælɪd/adj1. not legally or officially acceptable 没有法律效力的: ◇i'm afraid your passport is invalid. 恐怕你的护照已经失效了。 2. not correct according to reason; not based on all the facts 站不住脚的；缺乏事实根据的: ◇an invalid argument 站不住脚的论据 3. (computing计算机技术) (used about an instruction, etc) of a type that the computer cannot recognize （指指令等）计算机无法识别的，无效的: ◇an invalid command 无效指令 [opp] valid 反义词为validinvalid²/ˈɪnvəlɪd ||; ˈɪnvəlɪd/noun [c] a person who has been very ill for a long time and needs to be looked after （久病不愈、要人照顾的）病人 invalidsee ⇨ ill/sick 7 ⇨ use 15☞ invalid¹☞ invalid² |
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