Backcoupling
反向耦合
🗣️ 情景例句
What's the problem?
什么事？
I know the boy whose father is a ball player.
我知道那个男孩的父亲是球员。
He could not wash himself or get dressed.Instead, his sister or his parents had to help him.
他自己不能洗澡或穿衣服，他的姐姐或父母亲就只好帮他的忙。