Permendur
波明德合金
🗣️ 情景例句
Robbie, the dinner was terrific.
Robbie，晚餐真是棒透了。
Are they all non-reserved seats?
他们全部不预订的吗？
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。