Kerogen
n. 油母岩\\n[化] 油母质
🗣️ 情景例句
To apologize for leaving so early,I brought you a little gift.
为了表示我对提早走掉的歉意，我给你带了一件小礼物。
We must stress that these payment terms are very important to us.
我们必须强调这些付款条件对我们很重要。
Nothing much. Why?
没啥事。怎么啦？