| 词汇 | serum |
| 释义 | serum noun [ C or U ] uk/ˈsɪə.rəm/ us/ˈsɪr.əm/ sera uk/ˈsɪə.rə/ us/ˈsɪr.ə/ serums (BLOOD) 血清 the thin yellowish liquid part of the blood cholesterol levels in blood serum 血清中的胆固醇水平 免疫血清 serum taken from an animal's blood and put into a human in order to fight an infection or a poison an anti-venom serum 抗蛇毒血清 (BEAUTY PRODUCT) 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） a substance in beauty products that is designed to improve your hair or skin and make it less dry |
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