Sefstromite
钒钛铁矿
🗣️ 情景例句
I know it!
我知道！
He tells me is a city boy, and this is his first time to live in a camp like this.
他说他是一个都市男孩，这是他第一次过这种野营生活。
Hi, Kate. What's wrong?
哎，凯特，怎么了？