Polycrystalline
a. 多晶的\\n[计] 多晶的
🗣️ 情景例句
You have to cook dinner for the entire family.
你今晚得替全家做晚餐呢。
We're all anxious to hear Mr. Jones'remarks.
我们都很急切地想倾听琼斯先生的讲话。
There are eighteen floors in the building, and he lives on the fifteenth floor.
这幢大楼有18层。他住在第15层。