Ferry serum
[医] 费里氏血清(预防及治疗麻疹)
🧩 词语组成解析
serum
['sɪrəm]
n. <医>血清，血浆;浆液，树液;乳清;
🗣️ 情景例句
Did you pay for that?
你付钱了没有？
What's your brother planning to do tomorrow?
你的兄弟计划明天做什么？
Experts believe that there are about 40,000 different types of job in the world. Choosing the right one is a difficult job in itself.
专家们认为世界上大约有4万个不同种类的工作。要从中选择一个适合自己的工作是很困难的。