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BNC: 4917 COCA: 9974
serumnoun [ C or U ]uk/ˈsɪə.rəm/ us/ˈsɪr.əm/ plural sera uk/ˈsɪə.rə/ us/ˈsɪr.ə/ serums

serum noun [ C or U ] BLOOD

the thin yellowish liquid part of the blood 血清

cholesterol levels in blood serum血清中的胆固醇水平

serum taken from an animal's blood and put into a human in order to fight an infection or a poison免疫血清

an anti-venom serum抗蛇毒血清

serum noun [ C or U ] BEAUTY PRODUCT

a substance in beauty products that is designed to improve your hair or skin and make it less dry美容液(美容产品中的一种物质,用于改善头发或皮肤,减少干燥情况)

BNC: 4917 COCA: 9974
BNC: 4917 COCA: 9974
BNC: 4917 COCA: 9974
serum
Types and forms of medicine: amphetamine, anabolic steroid, anaesthesia...

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