Polysulfide
[化] 多硫化物\\n[医] 多硫化物
🗣️ 情景例句
Fine. And you?
很好。你怎么样？
I'm not really sure.
我不太清楚。
Fine, thanks. Oh, That's the bell. Everyone is going into class, we'd better go too.
很好，谢谢。啊，铃响了。大家都去上课。我们最好也去。