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
Bottoms up!
干杯！
I'm afraid you will catch a cold.
我怕你会感染到感冒。
Late that morning, when I was doing the housework, My husband phoned me from the office.
那天下午的晚些时候，当我正做家务时，我丈夫从办公室打来电话。