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
He did it in no time.
他马上做了那件事。
Sorry to bother you, but do you have change for a one?
对不起，麻烦你，你有1元钱的零钱吗？
Did you serve this gentleman half an hour ago, Caroline? He says he's the man who bought these books.
卡罗琳，半小时前你接待过这位先生吗？他说他就是买这两本书的人。