英语语法分析

Such a rhythm whose period is approximately—but not exactly—a day is called circadian.

这种以近似于——但不完全是——一天为周期的节律，叫做昼夜节律。

Not everyone has an identical circadian rhythm.

不是每个人都有相同的生理节律。

This is a benign variation within circadian rhythms known as a chronotype.

这是一种被称为睡眠类型的昼夜节律的良性变化。