Polysulfide
[化] 多硫化物\\n[医] 多硫化物
🗣️ 情景例句
I'm thinking.
我还在想。
Which one is cheaper?
哪一个是较便宜的？
Before very long the parents will be complaining that the child is so secretive and never tells them anything,
不要很久，家长就会抱怨孩子守口如瓶，什么事也不告诉他们，