Cofunctor
上函子, 反变函子
🗣️ 情景例句
And what about Michelle?
那Michelle怎么办？
May I ask you to wait here for ten minutes?
请在这里稍等片刻，可以吗？
One man was told to fix up an air-line to provide compressed air for the machines they were using.
有个工人被派去安装"供气管"，给他们正在使用的机器提供压缩空气。