Copular
a. 连接的, 系词的
🗣️ 情景例句
What floor is the shoe department on?
鞋部在几层？
I'm sorry I'm late. I overslept again.
抱歉我来晚了。我又睡过头了。
We need to make some changes in this contract.
这份契约有几个地方需要修改。