For the first, subtract your age from 220 to find your maximum heart rate.

第一个公式是用220减去你的年龄从而得到你的最大心跳频率。

youdao

Also, this is the age when maximum number of men tend to be unfaithful.

而这也是大多数男性开始不忠的年龄。

youdao

Also, this is the age when maximum number of men tend to be unfaithful.

而这也是大多数男性开始不忠的年龄。

youdao