invalid

英 [ɪn'vælɪd] 美 [ɪn'vælɪd]
  • adj. 无效的;有病的;残废的
  • n. 病人;残废者
  • vt. 使伤残;使退役
  • vi. 变得病弱;因病而奉命退役

助记提示


1、val- "be strong" + -id.
2、含义:strong, effective, having force in law, legally binding, supported by facts or authority.
3、in- "not" + valid.

双语例句


1. Margaret resides with her invalid mother in a London suburb.
玛格丽特同她病弱的母亲住在伦敦郊区。

来自柯林斯例句

2. At best Nella would be an invalid; at worst she would die.
内拉往好里说会落下残疾,往坏处说可能会生命不保。

来自柯林斯例句

3. The treaty was declared invalid because it had not been ratified.
条约没有得到批准,因此被宣布无效。

来自《权威词典》

4. A passport that is out of date is invalid.
护照过期是无效的.

来自《简明英汉词典》

5. Dr. Smith looked in on the invalid the day before yesterday.
史密斯大夫前天去看望那个病人.

来自《简明英汉词典》

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