Tribolite
矿物磨料
🗣️ 情景例句
This tie is a good match for your suit.
这条领带和你的西装搭配得很好。
What a disappointment.
真是失望透顶。
It is thought that they arrived more than 30,000 years ago by crossing a land bridge from Asia to America.
他们被认为是在3万多年以前从亚洲跨越一座陆桥来到美洲的。