Involutional
[医] 复旧的, 退化的
🗣️ 情景例句
I'm sure Alexandra
我相信Alexandra
I don't know how I can thank you enough.
我不知道怎样谢您才好。
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！