Dreams can be a rich source of inspiration for an artist.

梦境可以成为艺术家灵感的丰富源泉。

《牛津词典》

His novels are a rich source of material for the movie industry.

他的小说为电影业提供了大量素材。

《牛津词典》

That's because sugar is a rich source of calories, and calories provide energy.

这是因为糖是卡路里的丰富来源，卡路里能提供能量。

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It turns out that blood within the umbilical cord is also a rich source of stem cells and again specific to a particular patient.

研究发现脐带血中,也有丰富的干细胞资源,并且对一些特殊的病人有特别的意义

耶鲁公开课 - 生物医学工程探索课程节选

They stayed alive on sweet potatoes, a rich source of calories, vitamin A and beta carotene.

FORBES: Millions Served

They are a rich source of sinecures and other comfort for the political classes.

ECONOMIST: European energy

The new seed is also reported to be a rich source of protein.

BBC: Addictive-free poppy seed developed