Coal output per miner in Tribnia is double what it was five years ago, even though no new mines have opened.

尽管没有新煤矿投产，但 Tribnia 每个矿工的煤炭产量是五年前的两倍。

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in the children." The scientists reported that the risk of the disorder was almost double in children with high levels compared to those with no measurable level.

VOA: special.2010.05.26

Ok, double line. If there are no questions I'm going to make a dramatic change in topic.

好的，这是重点，如果没什么问题,我要讲下面的内容。

麻省理工公开课 - 计算机科学及编程导论课程节选

He wore an old double-breasted suit, frayed gray shirt, wide tie, no hat "I left her so long ago I don't remember.

他穿着一件双排扣的旧大衣，一件散口的灰衬衫，和一条宽领带，没有戴帽子，“我很早以前就离开了她。

耶鲁公开课 - 1945年后的美国小说课程节选

When it comes to the economy, however, a double dip is no treat at all.

FORBES: Is A Double Dip Recession In The Cards?

"We have no intention - as long as there is no double play, " the secretary told Asiaweek.

CNN: A NEW COURSE

The fact that the Bush 43 team was also guilty of playing the double game is no excuse.

CENTERFORSECURITYPOLICY: Double Games: It's not just Pakistan