physiological clock

• 生理钟,生物钟

physiological clock的用法和样例：

例句

1. Songs and laughter lubricate the biological clock.
   歌声笑语可使人体生物钟顺畅运转。
2. He has an internal clock that the Swiss would envy.
   他有一个让瑞士人都妒忌的生物钟。