Polycrystal
n. 多晶体\\n[化] 多晶
🗣️ 情景例句
Nets for tennis and badminton and so on.
有网球和羽毛球用的网等等。
What time is it?
几点钟了？
Then they slowly moved it farther and farther away.
然后，他们慢慢地把它移得越来越远。