Polydimethylsiloxane
聚二甲硅氧烷; 聚二甲硅氧烷
🗣️ 情景例句
I was so tired
我太累了
We'd like to know your availability and conditions of sale of this line.
我们想了解一下你方在这方面的供货能力及销售条件。
That goes for us too.
我们也是这么希望？