Contravalid
反有效的, 无效的
🗣️ 情景例句
How was the patient?
病人怎么样了？
They ripped my clothes off.
我的衣服给撕破了。
I had left it on a chair beside the door and now it wasn't there!
我曾把它放在门边的椅子上，可这会儿不见了！