Polycrystal
n. 多晶体\\n[化] 多晶
🗣️ 情景例句
That's a neat idea.
这是个好主意。
Would you mind having a group meeting tomorrow?
你介意明天开一个小组会吗？
Yesterday the firemen examined the ground carefully, but were not able to find any broken glass.
昨天，消防队员仔细查看了地面，但未能发现碎玻璃。