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
I would be happy to show you around.
我很乐意带你到四周看看。
He is very nervous, so he takes a lot of pills.
他非常的神经质，所以要服很多药
Then for a period of several weeks we practise doing the play.
随后几个星期我们进行排练。