Serum ferment
[医] 血清酶
🧩 词语组成解析
serum
['sɪrəm]
n. <医>血清，血浆;浆液，树液;乳清;
🗣️ 情景例句
Please don't be in such a hurry.
请别这么急。
I'm Henry Lee. I am a system engineer for IBM.
我叫亨利.李，是IBM的一名系统工程师。
How much did you pay for all these things? asked her mother.
“买所有这些东西你付了多少钱？”她妈妈问。