Polydimethylsiloxane
聚二甲硅氧烷; 聚二甲硅氧烷
🗣️ 情景例句
I wonder if you could tell me.
不知你是否能告诉我。
What will you do to help protect our environment from being seriously polluted?
你将为帮助保护我们的环境免遭到污染做些什么呢？
Oh, hello, Lin Tao. Fine, thanks. What about you?
噢，你好，林涛。很好，谢谢。你好吗？