Polysulphide
n. [化]多硫化物
🗣️ 情景例句
I would like to introduce you to your editor.
我来介绍你认识这本书的编辑。
Sweep before your own door.
先律己，后律人。
We don't have enough material on hand to take care of this.
我们现在手边的存量不够你的订单。