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
It was my pleasure.
这是我的荣幸。
I used to start working at 9:00 o'clock every day.
我过去常在9:00点钟开始每天工作。
Yes, it is.
是啊。