Perkov reaction
[化] 佩尔科夫反应
🧩 词语组成解析
🗣️ 情景例句
According to my experience, I agree that yours are of better quality.
有我的经验来判定你们的产品的确较好。
He has a dog.
他有一条狗。
Oh, Pierre, how wonderful! But I don't think we can go. I haven't got an evening dress for the ball! And a new dress costs over four hundred francs.
啊，比尔，太棒了！不过，我想我们去不成。我没有参加舞会的晚礼服啊！而一件新的晚礼服得花400多法郎。