Kolle's serum
[医] 科列氏血清(治疗脑脊髓膜炎的血清)
🧩 词语组成解析
serum
['sɪrəm]
n. <医>血清，血浆;浆液，树液;乳清;
🗣️ 情景例句
But the only time he's available this week
但这星期他有空的时间只有
You have also made some readjustment in your import and export business, have you?
你们的进出口贸易也有一些调整，对吗？
Let's go for a walk，shall we?
咱们出去走走，好吗？