ˌbiological ˈclock noun [singular] 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
biological clock ticking• It's the men now, as often as not, who hear the biological clock ticking loudest.