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BNC: 24035 COCA: 19511
obstetricsnoun [ U ]uk/ɒbˈstet.rɪks/ us/ɑːbˈstet.rɪks/ specialized US informal OB

the area of medicine that deals with pregnancy and the birth of babies产科学

obstetrics and gynaecology妇产科学
BNC: 24035 COCA: 19511
BNC: 24035 COCA: 19511
BNC: 24035 COCA: 19511
obstetrics
Branches of medical science: aetiology, bioengineering, biomedicine...

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