The smelting of iron is an art much too difficult for the savage to master, till he has been long familiar with the working of the softer and easier metals.

在他们熟练掌握更柔软更容易获取的金属之前，炼铁变成了一道更加艰难的工艺。

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Most employees had long service with the company and were familiar with our products.

绝大部分雇员在公司供职多年，熟悉我们的产品。

《柯林斯英汉双解大词典》

Long stretches in his prisons' law libraries left him more familiar with the Byzantine rules of America's federal prison system than most wardens.

长时间泡在监狱的图书馆里，使他甚至比大多数监狱长都熟悉美国那极为复杂的监狱体制。

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News Corp. may not be without a Sunday tabloid in the U.K. for long: people familiar with the matter said it has considered adding a Sunday edition to the six-days-a-week Sun, which attracts a similar audience as News of the World.

WSJ: News Corp. to Close Its News of the World Tabloid

But the prospect of a retrial faces long odds, according to a person familiar with the case, and couldn't include the count on which Mr. Edwards was acquitted.

WSJ: Judge Declares Mistrial in John Edwards Trial

There was a time not so long ago when fans would be familiar with virtually every player picked in the NBA Draft.

FORBES: U.S. Falling Behind In Producing Future Stars