Epiphosphorite
肾磷铁钙石
🗣️ 情景例句
What else?
还有什么？
Why did you hate it so much?
为什么你那么恨它？
Historians have long been puzzled by dots, lines and symbols which have been engraved on walls, bones, and the ivory tusks of mammoths.
长期以来，历史学家一直对雕刻在墙壁上、骨头上、古代长毛象的象牙上的点、线和形形色色的符号感到困惑不解。