Regolith
n. （=mantlerock）[地质]风化层, 土被
🗣️ 情景例句
Find a productive hobby, and see if you can learn something.
找一个具有意义的爱好，看你能否从中学到什么。
My mouth is watering.
我在流口水。
How long have you been at this school?
你到这学校有多么时间了？