Pyrorthite
碳褐帘石
🗣️ 情景例句
Let me know by the end of the week.
这个周末前给我回音。
It's about time to get up.
差不多该起床了。
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。