Pentasulfide
五硫化物
🗣️ 情景例句
I know it's Malcolm Stewart.
我就知道是Malcolm Stewart。
Scornful dogs will eat dirty puddings.
神气的狗也会吃赃布丁的。
I often go-swimming, sometimes in a lake near my home, and sometimes in the river.
我经常去游泳，有时在我家附近的湖里，有时在河里。