Related topics: Biology, Human
ˌbiological ˈclock noun [singular] 1. TMHB technical the system in plants and animals that controls when they sleep, eat, produce babies etc 〔动植物的〕生物钟,生理时钟 SYN body clock
2 HBHthe idea that when a woman reaches a certain age, she will soon be too old to have a baby 受孕生理钟〔认为妇女到了一定年龄后不能生育的观点〕 career women who hear the biological clock ticking 感觉到受孕生理钟在滴答作响的职业妇女