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
Who isn't?
有谁不紧呢？
How much ham did you want to buy?
你要买多少火腿？
The captain learnt from the letter that the name of the lost ship was the Karen.
从这封信中船长了解到沉船船名是“卡伦”号。