Spontaneous activity
[医] 自发性活动
🧩 词语组成解析
🗣️ 情景例句
I can speak Shanghai dialect other than Cantoness.
除了广东话，我还能讲上海话。
Any questions?
有什么问题吗？
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。