Polyvalent sera
[医] 多价血清
🧩 词语组成解析
a. 多价的\\n[医] 多价的
浆液, 血清\\n[医] 血清; 浆液
🗣️ 情景例句
Would you like to see them?
要不要看一看？
He has a writig brush.
他有一支毛笔。
I have just received a letter from my brother, Tim.
我刚刚收到弟弟蒂姆的来信，