Fluorbaryt
荧石
🗣️ 情景例句
There are several tours of the Grand Canyon.
到大峡谷有好几个旅游团。
Perhaps you've heard our product's name. Would you like to know more about it?
也许你已听说过我们产品的名称，你想知道更多一点吗？
concludes that it must be the gateway to world that lies beyond.
日落处想必是通往遥远世界的大门。