Dimethylpolysiloxane
二甲聚硅氧烷
🗣️ 情景例句
have become good friends, haven't you?
成了好朋友，不是吗？
Yes, I have your eraser, too.
是的，我还拿了你的橡皮。
Lined up against the wall, there were long thin wires attached to metal spheres.
靠墙排列着许多细长的电线，而电线又连着金属球。