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
When are you planning to get married?
你准备什么时候结婚？
I feel terrible about it.
太对不起了。
The explanation was simple but very unusual.
解释很简单，却异乎寻常。