Cofunctor
上函子, 反变函子
🗣️ 情景例句
My name is Lu Wei. I am beside Beijing Hotel on Changan Street.
我叫陆伟，在长安街北京饭店旁边。
How much is it?
多少钱？
It took me over half an hour to get rid of him.
我花了半个多小时才摆脱了他的纠缠。