Dimethylpolysiloxane
二甲聚硅氧烷
🗣️ 情景例句
Is this the window for claiming parcels?
这是领取包裹的窗口吗？
What's done can't be undone.
无可挽回。 泼水难收？
I will continue my learning, though I am tired of learning English.
尽管我很烦英语，我还是要学它。