Jochmann's serum
[医] 约克曼氏血清(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
The road toll is higher during holiday periods.
在节假日期间路桥费比以往要贵。
He's a dumb guy.
他是位沉默的老兄。
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。