Perkov reaction
[化] 佩尔科夫反应
🧩 词语组成解析
🗣️ 情景例句
my sister and her husband and their daughter.
我妹妹Susan和她丈夫以及他们的女儿。
Have you washed any dishes?
你洗碗碟吗？
Do you realize that all of these shirts are half off?
你知道这些衬衫都卖半价了吗？