Positive emotions do the opposite.

积极情绪正相反。

哈佛公开课 - 幸福课课程节选

If you want to do the opposite process, you simply "cast to an int from a char."

如果你想做相反的转换，你就告诉计算机,“把那个char型数据转换成int型处理“

哈佛公开课 - 计算机科学课程节选

One way that you could switch this on and off inside the cell is by taking off this phosphorous, proteins enzymes that do this opposite reaction, the opposite to kinases are called phosphokinases.

一种方法是通过去除磷酸基团,来改变细胞内蛋白的状态,催化添加磷酸基团,此逆反应的蛋白酶,能够催化逆反应的激酶叫做磷酸激酶

耶鲁公开课 - 生物医学工程探索课程节选