Montgomeryite
[矿]斜磷铝钙石
🗣️ 情景例句
He's a good father.
他是个好父亲。
A good example is the best sermon.
身教胜似言教。
He started to complain about this wicked world but was interrupted by a knock at the door.
他开始抱怨起这个邪恶的世道来，却被一阵敲门声打断了。