Perkov reaction
[化] 佩尔科夫反应
🧩 词语组成解析
🗣️ 情景例句
It's not uncommon to encounter sexual harassment in the office.
在办公室遭遇性骚扰并不少见。
What is that noise?
那嘈杂声是什么？
They are paid by the hour.
他们按时取酬。