Cofunction
n. 余函数
🗣️ 情景例句
First, we need to more public relations activities to promote understanding.
首先，我们应该更多地做公关活动以促进了解。
I put too much detergent in the washer.
我在洗衣机里放了太多的洗衣粉。
the strangest of them being perhaps the hovercraft.
其中最新奇的要数气垫船了。