Big, animal-powered stone wheels ground grain.

大型动物动力石轮碾磨谷物。

They stripped these seeds, removed the husks and ground the grains to flour. Later, they would go on to sow the surplus seeds.

人类把这些种子采集、剥壳，然后把谷物碾磨成面粉。再后来，他们开始学会了把剩余的种子拿去播种。