For those uninitiated in scientific ocean drilling, the previous record was a little over 4 km.

可以告诉没有海洋科学钻探知识的人，先前的纪录是四公里过一点儿。

《柯林斯英汉双解大词典》

The previous record was 3,003 billion miles in 2007, before the economic recession and high gas prices.

在经济衰退和油价上涨之前，之前的纪录是2007年的3.003万亿英里。

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The previous record was 0.797 Hertz.

此前的记录为0.797赫兹。

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NATO announced that six more U.S.troops have died in Afghanistan, bringing the death toll for July to at least 66 and surpassing the previous month's record as the deadliest for American forces in the nearly nine-year-old war.

VOA: standard.2010.07.30

That beats the previous record, set in 2000, just as the New Economy bubble was bursting.

FORBES: Year Of The Deal

The previous record for OT games in an opening round was 16, set last year.

WSJ: 4 of NHL's Original 6 among 8 still in playoffs

Smith covered the distance in 19.5 seconds to take half a second from the previous record.

BBC: Can Tyson Gay break Smith's record in Manchester?