Felton's serum
[医] 费尔顿氏血清(浓缩抗肺炎球菌马血清)
🧩 词语组成解析
serum
['sɪrəm]
n. <医>血清，血浆;浆液，树液;乳清;
🗣️ 情景例句
Well, come on, Dad.
好， 来吧， 爸爸。
We kept on discussing the problem for four hours.
我们持续讨论那个问题达四小时。
Despite this, he was so extravagant that he was always in debt.
经常债台高筑。