Orcelite
n. [矿]六方砷镍矿
🗣️ 情景例句
Is something wrong, Alexandra?
怎么了Alexandra？
I got 4 oranges.
我拿了四个桔子。
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。