Polydialkysiloxane
聚二烷基硅氧烷
🗣️ 情景例句
Usually a house is too expensive for the salary-earning class to buy.
通常房屋太贵，工薪阶层买不起。
The morning to the mountain the evening to the fountain.
凡是都有一定时间。
He spent most of his life gathering money.
他一生大部分时间用来积聚钱财。