Silicomagnesiofluorite
氟硅钙镁石
🗣️ 情景例句
A friend of a friend is good pals with the lead singer.
我一个朋友的朋友跟那个主唱歌手是朋友。
No reasonable person could refuse.
凡事明事理的人都不会拒绝此事。
When you visit London, one of the first things you will see is Big Ben,
当你游览伦敦时，首先看到的东西之一就是“大本”钟，