They were travelling at a speed that was double the legal limit.

他们正以两倍于法定限速的速度行驶。

《牛津词典》

At its peak in 2007 it was worth some $65 billion, reckons Clare McAndrew, founder of Arts Economics, a research firm—double the figure five years earlier.

Arts Economics 研究公司的创始人克莱尔·麦克安德鲁估算，在2007年的巅峰期，它的价值约为650亿美元，是五年前的两倍。

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The offer was to start a new research laboratory at double the salary he was then getting.

提议当时是他创办一个新实验室拿双倍工资。

《柯林斯英汉双解大词典》

Speaking at a panel discussion at the Urban Institute in Washington, Zandi cited the nation's double digit unemployment as reason for caution.

VOA: standard.2010.01.29

But the string, the sentence or the words that we're displaying on the screen, previously you clicked on a little white text field and typed it in, well now you're gonna do the same thing at the keyboard but you're gonna have to sandwich it in between double quotation marks.

这些你想输出到屏幕上的字符串啊，语句啊,单词啊，或者你事先,在白色输入框中敲进去的内容，现在你们需要用键盘做同样的事情,但是你们要写在,双引号之间。

哈佛公开课 - 计算机科学课程节选

And now we get the p orbitals, remember we want to fill up 1 orbital at a time before we double up, so we'll put one in the 2 p x, then one in the 2 p z, and then one in the 2 p y.

我们到了p轨道，记住在双倍填充之前,我们想要每次填充至一个轨道，所以我们在2px填充一个然后2pz填充一个，然后2py填充一个。

麻省理工公开课 - 化学原理课程节选

If 10% of the world's automotive production switches to plug-in, we'll need to at least double the world's current lithium battery output.

FORBES: Magazine Article

Make sure to look at the address bar at the top of your browser to double-check that you're at the right site--for example, if you accidentally type "bestbbuy.com" you'll end up at a site that looks similar to Best Buy's, but is decidedly not.

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The spacecraft weighed some 13 tonnes at launch - double the mass of Nasa's recently re-entered UARS satellite.

BBC: Stricken Mars probe stays silent