The old bus was revving its engine, ready to start the journey back towards Mexico City.
这辆旧巴士轰着油门，准备启程返回墨西哥城。
A fighter plane is revving up on the hanger apron.
飞机库前面停机坪上，一架战斗机正在起动。
The motorcycle was revving up in preparation for leaving.
摩托车的发动机在不断加速，准备出发。
Soon we hear the sound of the lorry revving and moving off.
不一会儿，我们听到卡车启动并开走的声音。
Soon we heard the sound of the lorry revving up and moving off.
不一会儿，我们听到了卡车起动和开走的声音。
The natural growth rate of population is revving up in rural areas.
在农村中人口自然增长率正不断上升。
Revving the engine before turning it off may reduce fuel economy.
在发动机未关闭时空踩油门会降低燃油经济性。
Sounds well, kind of bland or revving in neutral there.What about this?
听上去还可以，趋于平淡或者说转向中性了，那这个呢？
There, the whistling wind mixed with the sound of revving motorcycles below.
在那里，呼啸的风声夹杂着下面摩托车的轰鸣声。
Figures out on January 31st left little doubt that the economy was revving up.
1月31日公布的数字显示，经济确认无疑是在加速增长。
But by revving up the outrage he will probably weaken his position with Congress.
但如果通融这些让人愤怒的事情，他在国会的地位很可能会被降低。
If reading sends you to sleep, by all means use it but if it's revving you up, avoid it!
如果阅读令你犯困，就用这种方法但入股它令你清醒，请避免使用！
And remember: working out in the morning has the benefit of revving up your metabolism for hours.
同时记住一点：早晨运动能促进机体代谢增加维持几个小时。
Whether for military or civilian purposes, next year's event has got researchers' engines revving.
无论是军用或是民用，明年的比赛已经让研究者们的引擎加速运转起来了。
But Mexico deserves a fresh look-not least because its economy is revving up, as the next article explains.
但墨西哥值得我们重新评价，其原因之一正是其不断加速的经济增长，详情请看下一篇文章。
Revving at such massive speeds equates to an accelerative force on the pistons of nearly 9000 times gravity.
这么高速的旋转相当于在活塞上施加9000倍的重力。
Advanced technology included automatic RPM control to prevent over-revving when the pump was out of the water.
先进的技术，包括自动转速控制，以防止过度转速时泵出来的水。
Mr Penn is a committed centrist who thinks elections are won by wooing swing voters rather than revving up the base.
潘恩先生是个坚定忠诚的中间派人士，他认为胜选需要靠拉拢中间选民而非巩固基本盘来实现。
Coca-Cola and Procter & Gamble say they are still advertising on the network but are revving up digital pushes.
可口可乐和宝洁说，它们仍在央视上投放广告，但正在加大投放数字广告的力度。
That means electric automakers better start revving their engines if they want to hit that target in the next five years.
那意味着，电力汽车的制造商们若要在五年内实现这个目标，就得赶快开动他们的引擎。
That is revving recovery in big emerging economies, while only staving off a relapse into recession in much of the rich world.
只是新兴经济大国复苏迅速，使大多数发达国家避免了重陷衰退。 这里应该是：（公共开支产生的需求）正使得新兴经济大国加速经济复苏，但是对多数发达国家来说，（公共开支产生的需求）只能避免他们重陷衰退。
You can’t always get rid of a headache, but you can close the windows if the driver of a truck is outside revving his engine.
你不能总摆脱头痛的干扰，不过你确实可以在街边货车司机尝试启动他的引擎的时候把窗户关上。
Then he turned toward the delirious Argentine fans and waved his right arm as if throwing a lasso, revving them up even more.
然后，他转过身来，面对着情绪亢奋，热血沸腾的阿根廷球迷，他挥舞自己的右臂，旋转着，仿佛要向外扔出一个套索，把他们统统套了过来。
Putin kicked off an election campaign on Monday revving up his three-wheeled Harley Davidson at the head of a bikers motorcade.
普京推掉了原定于周一举行的一次竞选活动，开着他的三轮哈雷·戴维森摩托走在车队的最前面。
He had just started to feel better, when another urge came on. This one sounded like a diesel engine revving, and smelled worse.
就在他刚感觉好一点的时候，又一个臭弹冒了出来，这个更响更臭，他挥舞着胳膊试图将臭气扇走。
Revving up your engine RPM is something you should try and avoid as often as possible as it generates excessive amounts of heat.
加速你的引擎转速是一件，你应该试着避免尽可能经常是由于它产生过多的热量。
Until now, most weight loss medications have focused on suppressing appetite or revving up metabolism - with disappointing results.
至今，绝大多数减肥药都集中在抑制食欲或加快新陈代谢。而且效果都令人失望。
But she has also inherited an overheating economy, with inflation revving up and industrialists screaming about the strength of the real.
但她同时也接过了经济过热这块烫手山药，通货膨胀持续升温，实业家们怨声连连。
In the short term, it can energize us, "revving up our systems to handle what we have to handle," says Judith Orloff, a psychiatrist at UCLA.
短期内，压力可以使我们更有活力，“我们身体系统要来处理我们不得不处理的东西。”Judith Or loff说，他是加州大学洛杉矶分校的精神科医生。
In the short term, it can energize us, "revving up our systems to handle what we have to handle," says Judith Orloff, a psychiatrist at UCLA.
短期内，压力可以使我们更有活力，“我们身体系统要来处理我们不得不处理的东西。”Judith Or loff说，他是加州大学洛杉矶分校的精神科医生。
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