Hellandite
钙铒钇石
🗣️ 情景例句
It's a surprise.
会给你一个惊喜。
The industrial area is centered largely in the north.
大部分工业区域集中在北方。
I live in a tall building in the middle of the city.What about you?
我住在这个城市中心的一幢高楼里。你呢？