Calsil
硅酸钙盐
🗣️ 情景例句
A murder occurred last night in this very district.
就在这个区昨晚发生了一起凶杀案。
The wealth of the mind is the only true wealth.
精神财富是唯一的真正财富。
My efforts resulted in nothing.
我的努力毫无结果。