Polycrystallinity
多晶性, 多晶结晶度
🗣️ 情景例句
What's the deadline for claim?
索赔的有效期多长？
I think you must be proud of being a part of such a great company.
我认为你们应该为能成为这家公司的一员而感到骄傲。
Time is running out.
没时间了。