它们有助于传承和保存宝贵的知识。

They help pass along and preserve valuable knowledge.

youdao

宝贵的知识得到了传承和保存。

Valuable knowledge is passed along and preserved.

youdao

能够较早进行自我测试的学生更善于从记忆中检索知识，并将其长期保存。

Students who can test themselves earlier will be better at retrieving the knowledge from the memory and keep it in the long run.

youdao

Well, they could do all that and that's the knowledge that was in the palace that allowed the kings and his people to send out messages,orders to everybody to do what they did.

他们不断尝试将所积累的经验和知识,保存在王宫中,国王和他的子民可以发出通告或者政令,让所有人都实行他们的方法

耶鲁公开课 - 古希腊历史简介课程节选