serum /ˈsɪərəm/ TEM8

• 1. 

  N-VAR A serum is a liquid that is injected into someone's blood to protect them against a poison or disease. 免疫血清

  例：

  ...painful injections of anti-cancer serum.

  …令人痛苦的抗癌血清注射。

• 2. 

  N-UNCOUNT Serum is the watery, pale yellow part of blood. 血清

  例：

  The strip, which accepts blood, serum or plasma, is inserted into the analyser.

  涂上了血液、血清或血浆的测试带被插入分析器。