Polysilicon
[计] 多晶硅
🗣️ 情景例句
How does that look, Rob?
看起来怎么样，Rob？
Would you like to go for a leisurely walk?
你想要去作一次悠闲的散步吗？
In the library she has got books on many different subjects.
在图书馆里她准备了各种科目的书籍。