Flexner's serum
[医] 弗累克斯讷氏血清, 抗脑膜炎球菌血清
🧩 词语组成解析
serum
['sɪrəm]
n. <医>血清，血浆;浆液，树液;乳清;
🗣️ 情景例句
Come on, you can do that.
振作起来，你一定行。
I met her at the department store.
我在百货公司遇到她。
Have you taken his temperature?
你给他量过体温吗？