Didymolite
[矿]钙蓝石
🗣️ 情景例句
My boss and some friends at the office.
我老板和办公室的同事。
Many people's feelings concur on the subject of freedom.
许多人的感情，在自由的问题上是一致的。
They have nothing to eat.
他们没有东西吃。