Unstained preparation
[医] 未染色标本
🧩 词语组成解析
a. 没有沾污的, 无污点的
🗣️ 情景例句
They're both students of the performing arts.
他们两个都是的搞表演艺术的学生。
There is no royal road to learning.
治学无坦途。
When could you make a delivery?
你们什么时候可以交货啊？