Cofunctor
上函子, 反变函子
🗣️ 情景例句
telephone FAO Schwarz about the new twin baby dolls.
打电话给FAO Schwarz谈关于双胞娃娃玩具的事。
If you look up, you can see the airplanes.
抬头看，你看到飞机了吧。
As if this were not enough to reduce you to tears, your husband arrives, unexpectedly bringing three guests to dinner.
好像这一切还不足以使你急得掉泪，你的丈夫接着回来了，事先没打招呼就带来3个客人吃饭。