Fermorite
锶磷灰石
🗣️ 情景例句
My instructor thought that the beginner's class was too easy for me.
老师认为初级课程对我来说太容易了。
Have you ever thought about becoming a professional musician?
你曾经考虑了成为一个职业的音乐家吗？
In it there was a boatman fast asleep.
船上有一船夫在呼呼大睡。