Polydimethylsiloxane
聚二甲硅氧烷; 聚二甲硅氧烷
🗣️ 情景例句
What storage capacity do you need?
你想要多大容量的硬盘？
It is never too late to mend.
亡羊补牢，犹为未晚。
Did you fight with others?
你又和别人打架了吗？