Polydimethylsiloxane
聚二甲硅氧烷; 聚二甲硅氧烷
🗣️ 情景例句
How should I feel?
我该作何感想？
I don't know the answer, but let me ask Mr. Chen to comment on that.
我不知道答案，让我问一下陈先生看他有什么看法。
Thank you very much.
非常谢谢你。