Teruggite
n. [矿]水合钙镁砷硼酸盐
🗣️ 情景例句
After studying an hour, I finally got the hang of the lesson.
我学习了一个小时，终于理解了这一课的要点。
I learned geography last week.
我上星期学地理。
About fifty.
大约有五十本。