Perkov reaction
[化] 佩尔科夫反应
🧩 词语组成解析
🗣️ 情景例句
It's good to see you so happy.
能看见你如此高兴 ，太好了。
Don't forget to come back.
不要忘记回来。
Mum, I don't feel very well.
妈妈，我感到不舒服。