Kerogen
n. 油母岩\\n[化] 油母质
🗣️ 情景例句
Would you describe yourself as outgoing or more reserved?
你认为你是个外向的人还是内向的人？
Will you do me a favor?
你帮我一个忙好吗？
Only an exceptionally heavy snowfall might temporarily dislocate railway services.
只有非同寻常的大雪才可能暂时打乱铁路运行。