Kerogen
n. 油母巖\\n[化] 油母質
??? 情景例句
Really?
真的？
If we had been more careful, we would be getting much better results now.
如果我們更為細心的話，成績會更好。
She knew she was near the shore because the light was high up on the cliffs.
知道自己已經接近岸邊了，因為那燈光是在高高的峭壁上。