英语词汇“invalid”的读音、翻译、释义、用法及例句-开邑网

词汇	invalid
释义	invalidinvalidD.J.:[inˈvælid]K.K.:[ˈɪnvəlɪd]adj.1.■无适当根据的This is an invalid assumption.这是一个无根据的假设。2.■无用的, 无效的A passport that is out of date is invalid.护照过期是无效的。[ˈinvəli:d]adj.1.■有病的He had to look after his invalid brother.他不得不照看他有病的弟弟。n.1.■病人, 残疾者He will visit an invalid.他将要去看望一个病人。Her grandfather is an invalid.她的祖父是一个残疾人。
随便看	mechanically-driven pump mechanically fired boiler mechanicallyfoamed plastic mechanically manipulated electrode holder mechanically mixed flux mechanically operated semaphore signal mechanically-polished slice mechanically polished substrate mechanically-polished substrate mechanically-propelled mechanically rabbled furnace mechanically raked furnace mechanically refrigerated train mechanically refrigerated vehicle mechanically reset relay mechanically-resistant material mechanically scanned guidance system mechanically supplemented ventilation mechanically-timed relay mechanically tuned tube mechanical management of respiration mechanical manipulation mechanical manometer mechanical masking mechanical mass

开邑网英语在线翻译词典收录了1155424条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。