Stepanovite
绿草酸钠矿
🗣️ 情景例句
He is interested in collecting foreign stamps.
他对收集外国邮票有兴趣。
May I ask you to wait here for ten minutes?
请在这里稍等片刻，可以吗？
Here were not carvings in the rock but paintings.
这里岩石上不是石刻而是绘画。