Polycrystallinity
多晶性, 多晶结晶度
🗣️ 情景例句
I can't ask him for a raise, I have no experience in negotiation.
我不能叫他给我加薪，我在谈判方面没经验。
You can't take it back!
说话算话！
Then put these clothes in the wardrobe.
然后把这些衣服放进衣橱里去。