Univalent vaccine
[医] 单价菌苗
🧩 词语组成解析
a. 一价的, 单价的\\n[医] 一价的, 单价的; 单价体
vaccine
['væksi:n]
n. 疫苗，痘苗;
adj. 痘苗的，疫苗的;
🗣️ 情景例句
The firm isn't making out as well as was hoped.
公司并不像原来期望的那样进展顺利。
What do you think of the proposal?
你的看法如何？
When it has been decided where we are going to drill, we put up at the surface an oil derrick.
当确定钻孔地点后，我们就在那里竖起一个井架。