Bannisterite
硅锰矿
🗣️ 情景例句
Oh. I'm sorry.
噢，对不起。
Delivery costs will have to be borne by the manufacturer, I'm afraid.
运费恐怕要由制造厂商来承担。
Some old people are oppressed by the fear of death.
有些老年人因为怕死而感到烦恼。