biological clock
Longman Dictionary of Contemporary English 5++LDOCE 5++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 clock2 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
Examples from the Corpus
biological clock• Unlike mechanical clocks, which are completely blind to their surroundings, a biological clock gets reset every day by the sun.• Of course, nature being unjust as ever, I have no biological clock of my own.• The way Max's biological clock is ticking, it's a wonder Emma didn't call out the bomb squad.• It's the men now, as often as not, who hear the biological clock ticking loudest.• The ticking of the biological clock.biological clock ticking• It's the men now, as often as not, who hear the biological clock ticking loudest.ˌbiological ˈclock nounChineseSyllable
animals and that controls Corpus system plants in the
biological clock
ˌbiological ˈclock
noun [singular]
1. technical the system in plants and animals that controls when they sleep, eat, produce babies etc
SYN body clock
2. the idea that when a woman reaches a certain age, she will soon be too old to have a baby:
career women who hear the biological clock ticking
ˌbiological ˈclock
noun [singular]1. technical the system in plants and animals that controls when they sleep, eat, produce babies etc
SYN body clock
2. the idea that when a woman reaches a certain age, she will soon be too old to have a baby: