Polycrystallinity
多晶性, 多晶结晶度
🗣️ 情景例句
Are you ready for this?
想听着。
His eye is swollen, Does it hurt?
他的眼睛肿起来了，疼不疼？
I've lost my science book. Have you seen it anywhere?
我的自然科学书丢了。你在哪看见了吗？