To get back up to speed, just hit the gas again.

重新提速，您只需再一次踏下油门。

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Nor can Japanese suppliers be sure yet of how soon they can get back up to speed: hundreds of aftershocks, some strong enough to disrupt production, have rumbled on since the main quake.

由于主震之后数以百计的余震依然会对生产造成致命的影响，日本的供应商们还不能确定生产何时才能恢复到正常水平。

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Once back at school, children rarely get extra teaching, and are told to catch up as best they can.

一旦回到学校，孩子们很少受到额外的教育，并被告知要尽力赶上进度。

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It takes two times as long to get back up.

VOA: special.2009.10.07

And if we do, in fact, hit it with light to get the electrons off, it will go back to the straight up in position, or if it gets knocked hard enough it does that, too.

而且如果我们这么做，事实上，用光轰击它以逐出电子，它就会在原位置沿直线返回，或者如果它被撞击的足够猛烈,也会出现上述现象。

麻省理工公开课 - 化学原理课程节选

The challenge will be to get legislation on the table that will back up those numbers.

面临的挑战将是进行支持这一目标的立法。

对全球变暖的政策 - SpeakingMax英语口语达人

After seven years they could get back up to 96% (now 94%) of premiums plus investment gains on those premiums, all of which would then be taxable.

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To make things even worse, he had so much fun on the trip that it took him three days once he got home to get back up to speed.

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Nor can Japanese suppliers be sure yet of how soon they can get back up to speed: hundreds of aftershocks, some strong enough to disrupt production, have rumbled on since the main quake.

ECONOMIST: Japan and the global supply chain