Polydimethylsiloxane
聚二甲硅氧烷; 聚二甲硅氧烷
??? 情景例句
May I see the mirror, please?
我可以照照鏡子嗎？
We used to have a lot of interesting friends.
我們過(guò)去常有很多有趣的朋友。
Does this whole order go to the same place?
這一整批的貨都是送往相同的地方嗎？