Pietrowski's reaction
[医] 皮特罗夫斯基氏反应, 双缩脲反应
🧩 词语组成解析
🗣️ 情景例句
Very splendid. How about patent rights?
很不错。它的专利权怎么样呢？
A word spoken is past recalling.
一言既出，驷马难追。
This clause will have to be changed.
这一条必须更改。