invalid

中文意思

• adj. 无效的
• adj. 有病的
• n. 病人
• n. 残疾人

英文释义

• n. someone who is incapacitated by a chronic illness or injury
• v. force to retire, remove from active duty, as of firemen
• adj. having no cogency or legal force
• adj. no longer valid

词形变化

现在分词

invaliding

过去式

invalided

第三人称单数

invalids

过去分词

invalided

例句

1. adj. 无效的

   You cannot use this coupon because it became invalid last week.

   你不能使用这张优惠券，因为它上周就已经失效了。

2. adj. 有病的

   She stayed at home for months to take care of her invalid mother.

   她在家呆了几个月来照顾有病的母亲。

3. n. 病人

   After the serious operation, he had to live as an invalid for a long time.

   严重的手术之后，他不得不作为一个病人休养了很长时间。

4. n. 残疾人

   The government provided financial help for the war invalid.

   政府为这位战争致残的残疾人提供了经济援助。