Such background material inevitably reflects who we are.

这些背景材料必然会反映出我们是谁。

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The focus is really on eruptions in the last five years, but it might have some useful background material.

人们关注的焦点其实是过去五年的火山爆发，但它可能会提供一些有用的背景资料。

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The first two chapters provide introductory and background material.

头两篇提供入门性的和背景性的材料。

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This material is therefore crucial background to reading the Latter Prophets.

这些材料提供了重要的背景知识,以使我们阅读《后先知书》

耶鲁公开课 - 旧约导论课程节选

Users can discuss the latest material, read and write explanatory articles on leaks along with background material and context.

FORBES: Why Isn't WikiLeaks A Wiki? Spam-Clogged Copycat TradeLeaks Demonstrates

The process of creating something new is time consuming since there is no background material to help get a jump on designs.

CNN: SHARE THIS

Where the show falls down is in the largest of the landscape galleries, flanked on two sides by alcoves containing background material.

WSJ: Vincent Van Gogh Up Close | Philadelphia Museum of Art | A Matter of Perspective | By Jonathan Lopez