Perkov reaction
[化] 佩尔科夫反应
🧩 词语组成解析
🗣️ 情景例句
Oh no!
噢 糟糕！
He who cannot hold his peace will never live at ease.
嘴巴不紧，生活不宁。
Hello, Mr Zhu. I've come to say goodbye. I'm leaving on Sunday.
你好，朱先生。我是来道别的。我星期天离校。