Hituminous sandstone
[机] 沥青砂岩, 沥青砂石
🧩 词语组成解析
sandstone
['sændˌstəun]
n. 砂岩;砂石;
🗣️ 情景例句
There's no end to the paperwork I have on my desk.
我桌上的工作永远没个完。
Maybe they're farmers.
他们可能是农民。
What do you mean by special?
怎么特别呢。