Chassignite
[地质]纯橄无球粒陨石
🗣️ 情景例句
She's coming over this morning to help me with my math.
她今天早晨要过来帮我补习数学。
What is the highest mountain in this country?
这个国家最高的山是什么？
They all went up some narrow steps into a large room.
他们全都登上这些狭窄的台阶，接着进入一个大房间。