Polycrystal
n. 多晶体\\n[化] 多晶
🗣️ 情景例句
This universal language has always brought people of different cultures close together.
这种世界性的语言将不同文化的人紧密地结合在一起。
We've only sold our product at trade fairs, not in an on-going sales campaign.
我们的产品只在商展时展售，而没有办促销活动。
cloudless skies, savage sandstorms,
无云的天空，凶猛的沙暴，