Perkov reaction
[化] 佩尔科夫反应
🧩 词语组成解析
🗣️ 情景例句
First, we need to more public relations activities to promote understanding.
首先，我们应该更多地做公关活动以促进了解。
You're too outspoken.
你太直率了。
He's already a little weak in Chinese.
他的中文已经有点儿弱了。