Polycrystalline
a. 多晶的\\n[计] 多晶的
🗣️ 情景例句
That's a brilliant idea, Richard!
这主意太棒了， Richard！
The chemist is testing enzymes.
化学家在试验着酶。
Autumn is a busy season. The days get shorter and the nights get longer.
秋天是繁忙的季节。白天逐渐变短，夜晚则渐渐变长。