There may have been many spies and intelligence officers during the Napoleonic Wars, but it is usually extremely difficult to find the material they actually provided or worked on.

在拿破仑战争时期，可能有许多间谍和情报军官，但是通常极难找到他们实际提供或者工作的材料。

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Stone statues were worked from single rectangular blocks of material and retained the compactness of the original shape.

石像是由单个长方形块状材料制成的，并保持原有形状的坚实度。

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In addition, women often worked in their homes part-time, making finished articles from raw material supplied by merchant capitalists.

此外，妇女经常在家里做兼职，用商业资本家提供的原材料制作成品。

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Men in two special factories worked day and night to make the concrete building material for the dam.

VOA: special.2009.08.12

Hendrix's website said the tracks suggest "new, experimental directions", as he worked on material separate from the Jimi Hendrix Experience.

BBC: New Jimi Hendrix album to be released

Before that I worked in the material balances department, where we had to match supplies and demands for different products.

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"I got caught with a lot of material, and I worked it out, " Simpson said in a 2010 interview with The Associated Press.

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