Fluoborite
氟硼镁石
🗣️ 情景例句
How should I feel?
我该作何感想？
If the old dog barks, he gives counsel.
如果老狗叫，他是给忠告。
At lunchtime, the tourist thanked him and gave him ten pounds, which was a lot of money in those days.
午餐时，这位游客向他表示感谢，并给了他10英镑。这在当时可算是一大笔钱了。