Ruppell's serum
[医] 腊佩耳氏血清(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
His house was always neat.
他家经常都是干净的。
We've gone over quite a lot. Shall we take a break?
我们已进行很久了，让我们休息一下好吗？
Fine, thanks, Dad. What about you?
很好，谢谢爸爸。你呢？