| 单词 | serum |
|---|---|
| 音标 | 英[ˈsɪərəm] 美[ˈsɪrəm] |
| 解释 | n.<医>血清，血浆;浆液，树液;乳清; |
| 例句 | N-VAR 免疫血清 A serum is a liquid that is injected into someone's blood to protect them against a poison or disease. N-UNCOUNT 血清 Serum is the watery, pale yellow part of blood. |
| 变形 | pl:serums~ |
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