Oxykerchenite
氧纤磷铁矿
🗣️ 情景例句
What time is it?
现在是什么时间了？
What were you doing when I called you on the telephone?
当我打电话给了你时，你正在做什么？
I find young people exciting.They have an air of freedom,
我觉得年轻人令人振奋，无拘无束。