Polycrystalline
a. 多晶的\\n[计] 多晶的
🗣️ 情景例句
How was your trip?
你这一趟旅途还好吧？
Like draws to like the whole world over.
物以类聚，世间皆如此。
The tunnel would be well-ventilated if tall chimneys were built above sea level.
隧道就具备了良好的通风条件。