Monohydrocalcite
单水方解石
🗣️ 情景例句
The darkest evening of the year.
在这一年中最漆黑的夜晚 。
I learned Japanese yesterday.
我昨天学日文。
Later we learnt that there was a very important person on board.
后来我们才得知，飞机上坐了一位非常重要的人物。