Underclay
n. (煤层下的)底黏土层
🗣️ 情景例句
I haven't had a minute to relax all day.
我今天连一分钟都没休息。
There is nothing to thank me for.
没有什么可谢我的。
The Beatles represented part of the spirit of their age.
甲壳虫乐队代表了他们时代的部分精神。