Marmorek's serum
[医] 马莫雷克氏血清(动物性多价抗链球菌血清)
🧩 词语组成解析
serum
['sɪrəm]
n. <医>血清，血浆;浆液，树液;乳清;
🗣️ 情景例句
What's it for?
是做什么用的？
Competition for this kind of goods is tough.
这种商品的竞争非常激烈。
He noticed that a river of liquid rock was coming towards him.
他发现有一股岩浆正向他流过来，