Bull's serum
[医] 布尔氏血清(抗气性坏疽血清)
🧩 词语组成解析
serum
['sɪrəm]
n. <医>血清，血浆;浆液，树液;乳清;
🗣️ 情景例句
We did?
我们忘了吗？
Don't feel like it.
并不想。
Who was that?
那是谁？