单词：invalid
a. 有病的, 无效的
v. force to retire, remove from active duty, as of firemen
a. having no cogency or legal force
s. no longer valid
考试类型：[六级/考研/托福/IELTS]
invalid的用法和样例：
例句
- A passport that is out of date is invalid.护照过期是无效的。
- Unless a check is signed, it is invalid.支票除非签了名，否则是无效的。
- She looks after her invalid mother.她照看病弱的母亲。
- Nobody looks after the invalid.没人照顾这个病人。
- He never fully recovered, and had to spend the rest of his life as an invalid.他没能完全康复，于是不得不成了一名残疾者度过余生。
- He was invalided out of the army because of the wounds he received.他因负伤而退役。
- Ambassador decided that he must invalid his sick radio-officer home.大使决定把患病的无线电报员遣送回国。
常见句型
- This is an invalid assumption.这是一个无根据的假设。
- He had to look after his invalid brother.他不得不照看他有病的弟弟。
- Their marriage is invalid.他们的婚姻是无效的。
- 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。
词汇搭配
- invalid argument没有根据的论点
- invalid person有病的人
- marriage invalid婚姻无效
- visit an invalid看望病人
- bedridden invalid卧床不起的病人
- permanent invalid长期病人
经典引文
He declared the wills technically invalid because of some legal flaw.
出自：R. GravesHis invalid son, who had just suffered his first attack of epilepsy.
出自：J. BarnesWounded in the lung and..invalided out of the army with TB.
出自：M. Scammell
- infirm体弱的
- weak弱的
- unhealthy不健康的
- void空的
- patient有耐心的
- ineffective无效的
- frail脆弱的
- debilitated虚弱的
- sickly病弱的
- null and void[法律]无效
- unacceptable不能接受的
- untrue不真实的
- unfounded无事实根据的...
- illogical不合逻辑的
- enfeebled动词enfeeble的过...
- convalescent恢复期的
- validate使生效
- feckless软弱的
- incapacitate使不能
- handicap障碍
- disable使 ... 失去能力...
- shut-in卧病在家的人...
- valid有效的
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