serum

US /ˈsɪr.əm/
UK /ˈsɪr.əm/
"serum" picture
1.

血清

an amber-colored, protein-rich liquid that separates out when blood coagulates

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The lab technician carefully extracted the serum from the blood sample.
实验室技术员小心地从血液样本中提取了血清。
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Blood serum is used in various diagnostic tests.
血清用于各种诊断测试。
:
blood serumplasma
2.

精华液, 美容液

a cosmetic preparation, especially one for the face, that is concentrated and has a light texture

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She applied a vitamin C serum to her face every morning.
她每天早上都会在脸上涂抹维生素C精华液。
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This anti-aging serum promises to reduce wrinkles.
这款抗衰老精华液承诺减少皱纹。
:
essenceelixir