a person made weak or disabled by illness or injury
病人,病弱者,伤残者,残疾者。
remove (someone) from active service in the armed forces because of injury or illness
使(因伤或病)退役
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he was badly wounded and invalided out of the infantry .他受伤严重从步兵团退役了。
disable (someone) by injury or illness
使伤残,使病弱。
not valid, in particular (especially of an official document or procedure) not legally recognized and therefore void because contravening a regulation or law
无效的,不受法律承认的
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the vote was declared invalid due to a technicality .由于技术性原因投票被宣布无效。
(especially of an argument, statement, or theory)not true because based on erroneous information or unsound reasoning
(尤指论据、声明或理论因以错误信息或推理为基础而)错误的,不成立的
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a comparison is invalid if we are not comparing like with like .非同类之间的比较是不成立的。
(of computer instructions, data, etc.)not conforming to the correct format or specifications
(计算机指令、数据等)不符合正确格式(或规格)的。
"mid 17th cent. (as an adjective in the sense ‘infirm or disabled’): a special sense of