Fluoborite
氟硼镁石
🗣️ 情景例句
Don't worry about being late. It's fine.
别为迟到担心了 没有关系。
Will it take me long to get there?
到那里要花很长的时间吗？
When he began to play a tune, we had our first glimpse of the snake.
当他开始吹奏一支曲子时，我们才第一次看到那条蛇。