Perkov reaction
[化] 佩尔科夫反应
🧩 词语组成解析
🗣️ 情景例句
Pete Waters, RFD Number 1, Chesterton.
Pete Waters，Chesterton乡村免费邮递路 一号 。
Why are you so happy?
你为什么这样快乐？
I'll have to ring you back, as I need to have a look at my diary and I haven't got it with me.
我得（等会儿）再给你回电话，因为我要先看看我的日记，而我没有把它带在身边。