As agriculture developed, agricultural ideas diffused across Europe.是什么意思？

As agriculture developed, agricultural ideas diffused across Europe.

随着农业的发展，农业知识开始在欧洲普及。

as

adv. 同样地，一样地，例如；prep. 作为，以…的身份，如

例句
As far as I can recall, Patti was a Smith.
我记得帕蒂是姓史密斯的。

agriculture

n. 农业，农耕，农业生产，农学；

例句
The Ministry of Agriculture commissioned a study into low-input farming...
农业部委托对低投入耕作进行研究。

developed

adj. 先进的，发达的（国家或地区）；

例句
He had developed a slight American accent.
他说话带上了一点轻微的美国口音。

agricultural

adj. 农业的，耕种的，农艺的，农学的；

例句
Many of the old agricultural collectives are now being turned into agribusiness corporations.
许多老式的农业合作群体现在正在转型为农业综合经营公司。

ideas

总念；

例句
An important set of ideas have been advanced by the biologist Rupert Sheldrake.
生物学家鲁珀特·谢尔德雷克已提出了一整套重要的观点。

diffused

adj. 散布的，普及的，扩散的；v. （使光）模糊，漫射，漫散( diffuse的过去式和过去分词 )，（使）扩散，（使）弥漫，（使）传播；

例句
Over time, the technology is diffused and adopted by other countries.
久而久之，这项技术传播到了其他国家并得到利用。

across

prep. 穿过，横穿，横过，与…交叉，在…对面；adv. 横过，越过，在对面，交叉，斜对面；

例句
Households accumulate wealth across a broad spectrum of assets...
家庭在以各种各样的资产形式积累财富。

Europe

n. 欧洲，欧盟，（除英国以外的）全欧洲，除英国外的欧洲国家；

例句
Thousands of farmers from across Europe have held a huge demonstration in the centre of Brussels...
来自欧洲各地的数千农民在布鲁塞尔市中心举行了大规模的示威游行。