invalidness

基本解释

• n.无效；无价值

同根派生

英汉例句

• His claim to ownership is invalid.
  他的所有权是无效的。
• A passport that is out of date is invalid.
  护照过期是无效的。
• His father is a bed-ridden invalid.
  他父亲是个缠绵病榻的人。
• He has been an invalid all his life.
  他终身残废。
• The invalid gained colour under the doctor's care.
  病人在医生的治疗下，脸色逐浙红润。