The average price for all grades of petrol at the pump was $3.49 a gallon.
加油泵所有等级的汽油平均价格为1加仑3.49美元。
Sodium-potassium balance is maintained by the sodium potassium pump.
钠钾泵维持钠钾平衡。
He thereby transformed an inefficient pump of limited use into a steam engine of a thousand uses.
因此，他将应用范围有限且效率低的蒸汽泵改造成了应用范围广泛的蒸汽发动机。
He bought a new water boiler with a digitally controlled pump, and wrapped insulation around the pipes.
他买了一个带有数字控制泵的新水锅炉，并在管道周围包裹了绝缘材料。
As he recalled it, a gas-driven pump being used broke down, spreading carbon monoxide through the house.
正如他回忆的那样，一个正在使用的气体驱动泵坏了，导致了一氧化碳在房子里扩散。
The latest statistics show that the United States is continuing to pump billions of dollar annually into such projects.
最新的统计数据显示，美国每年向这些项目注入数十亿美元。
Another module continued to pump coolant through a separate loop, but astronauts had to power down non-essential equipment to prevent overheating.
另一个模块继续通过一个单独的循环泵入冷却剂，但宇航员不得不关掉不必要的设备以防止过热。
Other possible reasons include problems with the oil pump, rod and main bearing clearances, camshaft stopping playing, or cam bearings and lifters.
其他可能的原因包括油泵问题、杆和主轴承的空隙、凸轮轴停止工作、或者凸轮的方位和升降。
Deane continued diving on the site intermittently until 1840, recovering several more guns, two bows, various timbers, part of a pump and various other small finds.
迪恩继续间歇性地在这个地方潜水直到1840年，期间又找到了几支枪、两张弓、各种木材、一个水泵的一部分和其他各种小物品。
It's difficult to pump facts and figures into tired students.
把事实和数字硬灌输给疲惫的学生太难了。
Our cars pump out thousands of tonnes of poisonous fumes every year.
我们的汽车每年排放出成千上万吨的有毒尾气。
The money raised will be used to dig bore holes to pump water into the dried-up lake.
筹到的钱款将用来挖井眼，再将水抽入干涸的湖中。
You must pour the water from the bottle into the pump before you draw water!
在你抽水之前，你必须把瓶子里的水倒进泵里！
Consumers have more money in their pockets when they're paying less at the pump.
消费者在加油上花的钱更少，口袋里就有更多钱。
That example I gave last time with the bicycle pump was not quite the right example.
上次我举打气筒的例子不太正确。
It was five minutes later that he chose to pour the only water into the pump and began to draw water.
过了五分钟，他选择把仅剩的水倒进水泵里开始抽水。
Usually, the larger an animal is, the slower its heartbeats, since it takes more time to pump blood around its body.
通常而言，体型越大的动物心跳越慢，因为将血液输送至全身需要花费更长的时间。
To grow 45 beds of green vegetables, we need many things like growing cups, LED growing lights, fans, a water pump and so on.
为了种植45苗床的绿色蔬菜，我们需要很多东西，比如种植杯、LED种植灯、风扇、水泵等。
California has been facing a drought for many years now, with certain areas even having to pump freshwater hundreds of miles to their distribution system.
加州已经遭受旱灾多年，某些地区甚至不得不从数百英里外抽取淡水，输送到他们的给水系统中。
In Europe, taxes account for up to four-fifths of the retail price, so even quite big changes in the price of crude have a more muted effect on pump prices than in the past.
在欧洲，税收占汽油零售价的比例高达五分之四，因此，即使是原油价格发生了相当大的波动，对油品价格的影响也比过去要更轻微。
Because companies that pump carbon dioxide into the sky don't pay the costs of the climate change they cause, carbon taxes would restore the proper incentives to the market.
因为向天空排放二氧化碳的公司并未对它们造成的气候变化付出代价，而碳税则会为市场带回合适的激励政策。
This was a small airless house and in the corner he discovered a water pump. He was so excited and went forward to draw water, but no water came out no matter how hard he tried.
这是一个不通风的小房子。在小角落里他发现了一个抽水机。他为此很兴奋，便上前去抽水，但无论他如何努力都没有水出来。
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