biological clock
柯林斯詞典
1. N-COUNT Your biological clock is your body's way of registering time. It does not rely on events such as day or night, but on factors such as your habits, your age, and chemical changes taking place in your body. 生物鍾[oft poss N]
For women, the biological clock governs the time for having children. 對於女性，生物鍾控制著孕育子女的時(shí)間。
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biological clock (biological clocks)
劍橋詞典
- your body's natural habit of sleeping , eating , growing , etc. at particular times
生物鍾；生理鍾
Long-haul flights can seriously disrupt your biological clock . 長途飛行可能會嚴(yán)重?cái)_亂你的生物鍾。