Percivalite
钠铝辉石
🗣️ 情景例句
Two of a trade seldom agree.
同行是冤家。
To start the city planning
着手都市计划
On the third lap, the Class 3 and Class 1 runners both ran very fast.
在跑第三圈时，3班和1班的运动员都跑得非常快。