Equivariant
等变化的
🗣️ 情景例句
Freeze!
别动！
Ill news never comes too late.
坏消息来得快。
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。