Monovalent sera
[医] 单价血清
🧩 词语组成解析
a. 单价的\\n[医] 一价的, 单价的
浆液, 血清\\n[医] 血清; 浆液
🗣️ 情景例句
The rural workforce has been flowing in to the cities ever since the open door policy was adopted.
自从改革开放政策实施以来，农付劳动力正不断流向城市。
He is the people's choice for president.
他是人民选出来的总统。
How did you do on your test?
你这次考试的结果如何？