Snotter
钢铸件中的氧化铈夹杂物
🗣️ 情景例句
He has no capacity to be a doctor.
他没有当医生的能力。
To crawl
爬
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。