Kerogen
n. 油母岩\\n[化] 油母质
🗣️ 情景例句
Haven't you finished balancing that checkbook?
你还没有核对完支票簿帐目吗？
Better be poor than wicked.
宁可做穷人，不要做坏人。
I'm sorry, but we have a problem here.
对不起，我们有困难。