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
Dad.
爸爸。
I was born in China and brought up in the U.S.A.
我出生在中国，在美国长大。
Late? No, you aren't. You're early. It's Sunday today !
晚了？没有啊！你挺早的呢，今天是星期日。