Polycrystalline
a. 多晶的\\n[计] 多晶的
🗣️ 情景例句
Don't get upset.
不要发怒。
There is no virtue that poverty destroyeth not.
没有贫穷不能破坏的美德。
She left home when she was eighteen and has lived in Los Angeles for the past fifteen years.
18岁时，她离开了家。过去的15年里她一直住在洛杉矶。