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
And tell me where you are and what's happened.
告诉我你在哪里，发生了什么事？
I can't tell you how happy this makes me.
我形容不出来我有多高兴。
You should give it a try.
你应该试一试。