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。

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

youdao

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。

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

youdao