Coryphodontoidea
冠齿兽超科
🗣️ 情景例句
Who was it?
谁来的电话
One hour's sleep before midnight is worth three after.
午夜前睡一小时抵得上午夜后睡三小时。
and so the tools of long ago have remained when even the bones of the men who made them have disappeared without trace.
因此，尽管制造这些工具的人的骨头早已荡然无存，但远古时代的石头工具却保存了下来。