Polysulphide
n. [化]多硫化物
🗣️ 情景例句
Great. What's happening with you these days?
非常好。你最近几天怎么样？
Son! Don't make suck a noise when you eat.
儿子，吃饭的时候不可以发出声音。
Doctor, I'm not feeling well, she said. I often feel tired.
“医生，我感到不舒服，”她说，“我经常感到疲倦”。