Polysilicon
[计] 多晶硅
🗣️ 情景例句
He had blond hair.
他原来是金色头发 。
How long has it been since you've heard from your uncle?
自从你听到叔叔的消息有多长时间了？
That's nice. Is it new?
挺漂亮的，是新的吗？