这就是人类如何计量一日循环的方法。

That is how man measured his cycle of a day.

youdao

该研究报告在本月21日的《人体循环》杂志上发表。

The report is published by Body Circulation magazine on the 21st this month.

youdao

如果你的生活也被固定在日复一日的循环模式里，也许是时候该尝试些新事物了。

If you're stuck in the same old routine, it might be time to try something new.

youdao

如果你的生活也被固定在日复一日的循环模式里，也许是时候该尝试些新事物了。

If you're stuck in the same old routine, it might be time to try something new.

youdao