Spodiosite
氟磷钙石
🗣️ 情景例句
Chileren should learn about the great accomplishments of their nation.
孩子们应该了解自己国家的伟大成就。
This part of the country is very mountainous.
国家的这部分有很多的山。
It's been open for several years.
它建成已有好几年了。