Invalidity
n. 无效, 无价值, 病弱\\n[医] 病废, 劳动能力丧失
✅ 同义词
🔴 反义词
📖 牛津释义
invalidity
n[U]
state of being invalid 无根据; 无道理; 无用; 无效
the invalidity of his passport 他的护照之无效.
🗣️ 情景例句
John is tied up at the present time.
John现在有事。
Better deny at once than promise long.
轻诺必寡信。
A talk? What subject should I talk about?
吉姆，讲话？我能讲什么题目呢？