Nuts and seeds are good sources of vitamin E.

坚果和种子是维生素E的良好来源。

《柯林斯英汉双解大词典》

There are alternative sources of nutrition to animal meat.

有能替代动物肉类的其他营养来源。

《柯林斯英汉双解大词典》

They believed ancient Greece and Rome were vital sources of learning.

他们认为古希腊和古罗马是至关重要的知识来源。

《柯林斯英汉双解大词典》

The program in India won an Ashden Award in two thousand six for using local sources of energy to improve quality of life.

VOA: special.2009.08.17

He's obviously been asking her about the sources of some of the images and characters and themes in Wise Blood.

他一直问奥康纳,关于《慧血》里面一些形象、,人物和主题的来源。

耶鲁公开课 - 1945年后的美国小说课程节选

What about sources of protein, that and carbohydrate for you, and how do those look and where are you getting those from?

那蛋白质的来源呢,还有碳水化合物,这些都长什么样,你从何摄入这些元素

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The problem is, there are very few sources of information on the tracks in Rio.

BBC: Trekking in Rio de Janeiro

New sources of revenue will have to be developed and no single one will be the answer.

CNN: Does local journalism have a future?

There are two sources of loans as I indicated earlier, the federal government and the private banks.

NPR: Congress to Lift Student Loans?