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
While the Chinese rely on chopsticks, westerners prefer to use a knife and fork to eat with.
用餐时，中国人喜欢用筷子，而西方人喜欢用刀叉。
The mechanic repairs cars.
机工修理汽车。
I'll go to that shop and see if they have a telephone.
我去那个商店，看看是否有电话。