Polycrystal
n. 多晶体\\n[化] 多晶
🗣️ 情景例句
She is sleeping here so she won't have to travel from Riverdale in the morning.
她晚上住在这儿，免得早上从Riverdale赶过来。
To learn how to count
学习记账
'If the money was not paid promptly,
如果交款不及时，