| 释义 |
biological clock
noun countable
■your body's natural habit of sleeping, eating, growing, etc. at particular times 生理时钟•Long-haul flights can seriously disrupt your biological clock.长途飞行可能会严重扰乱你的生理时钟。
noun countable
biological clock is ticking (away) informal
■When a woman says her biological clock is ticking (away), she means that she is worried that she is getting too old to have a baby. 生理时钟开始滴答作响（指女人担心自己很快就会年纪大得不宜生育） |