Polycrystallinity
多晶性, 多晶结晶度
🗣️ 情景例句
What?
什么？
He is a manager of a famous corporation.
他是一家着名公司的经理。
But I couldn't answer the rest.They were too difficult for me.
但我回答不出其作的题。那些题对我来说太难了。