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
You're right.
说得对。
What are your interests?
你的爱好是什么？
Education, with its cycles of instruction so carefully worked out,
教育，以其教学周期如此精心地安排，