invalid [形容詞] 無效的;病弱的; [名詞] 病弱的人;殘疾者
invalid
['invəli:d]
adj.無效的, 病弱的
n.病人, 殘疾者
vt.退役, 遣送回家
例句與用法：
His claim to ownership is invalid.
他的所有權是無效的。
Nobody looks after the invalid.
沒人照顧這個病人。
The girl spent all her spare time to take after her invalid mother.
這個女孩把她所有的業餘時間都用來照顧長期生病的母親。
This ticket has passed its expiration date, and so it is now invalid.
這張票已過了有效期，現在作廢了。
He never fully recovered, and had to spend the rest of his life as an invalid.
他沒能完全康復，於是不得不成了一名殘疾者度過餘生。
詞形變化：
副詞: invalidly | 名詞: invalidity | 動詞過去式: invalided | 動詞過去分詞: invalided |動詞現在分詞: invaliding | 動詞第三人稱單數: invalids |
英文解釋:
名詞 invalid:
someone who is incapacitated by a chronic illness or injury
同義詞：shut-in
動詞 invalid:
force to retire, remove from active duty, as of firemen
injure permanently
同義詞：disable, incapacitate, handicap
形容詞 invalid:
having no cogency or legal force
no longer valid
同義詞
infirm | weak | unhealthy | void | patient | ineffective | frail | debilitated | sickly | null and void | unacceptable | untrue | unfounded | illogical | enfeebled | convalescent | validate | feckless | incapacitate | handicap | disable | shut-in |
反義詞
valid |
以上來源於大辭典
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