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
I don't want to cut class.
我不想逃学。
Who is the auther of this essay?
谁是这论文的作者？
It's cheaper, isn't it?
这更便宜些，是吗？