Polysilicon
[计] 多晶硅
🗣️ 情景例句
He started out on a voyage around the world.
他开始周游世界。
Kill two birds with one stone.
一举两得。
Maybe my parents will take Dick and me to a few cities in the south.
可能我父母要带迪克和我到南方的几个城市去。