Near simultaneous explosions rocked the London subway and a double-decker bus at the morning rush hour.

几乎同时，在上午高峰期，爆炸攻击了伦敦地铁和一辆双层巴士。

youdao

The output value turns double, and the stock reduces 20%, the operation efficiency obtained the very big enhancement, for example, the time of processing the order reduce from 6 hours to 1 hour.

产出翻了一番，存货削减20%，运行效率获得极大提高，举个例子来说，计划的执行从6个小时缩短到1个小时。

youdao

With DivX 7, users can compress a full two-hour HD film to around 8 GB in size, or just short of the storage capacity of one double-layer DVD.

Divx7可以把两小时时长的影片压缩至8GB左右的容量，正好可以放在一张双层DVD光盘中.

youdao

Workers in the six-person cells now assemble 18 units an hour, double the pace of a couple of years ago.

FORBES: Magazine Article

Arsenal refused to be discouraged by the setback and pressed forward with urgency, but another moment of defensive frailty almost saw Chelsea double their advantage on the hour.

BBC: Chelsea 2-0 Arsenal

Robson made a surprising double substitution on the hour, replacing Zoltan Gera and Earnshaw with Geoff Horsfield and Rob Hulse.

BBC: SPORT | Football | Premiership | West Brom 1-2 Middlesbrough