Economics is precise about the tax that should, in principle, be levied to deal with negative externalities: the tax on a liter of fuel should be equal to the harm caused by using a liter of fuel.
从经济学的角度来看，为了应对负外部性，原则上应该征收的税收是准确的：对一升燃料征收的税应该等于使用一升燃料所造成的危害。
Sadly, the scientists found 1800 pieces of microplastics per liter of (每升) snow.
遗憾的是，科学家们在每升雪里发现1800粒塑料微粒。
摩尔每升每秒。
Or it could be in grams per liter.
或者克每升。
So we'll multiply by 1000 milliliters per liter.
所以需要乘以1000毫升每升。
And the concentration could be given in moles per liter.
溶液中浓度可以用摩尔每升给出。
This is some concentration unit, typically moles per liter.
这是浓度的单位，一般是摩尔每升。
Results should not be above 20 micrograms per liter of urine (20ug/L).
测试结果应当不高于20微克/升。
Volvo's Skovde engine plant also provides Ford with 2-liter diesel engines.
沃尔沃在舍夫德的发动机厂也还将生产福特的两升柴油发动机。
Demand is growing: a liter of biodiesel is 4-6 US cents cheaper than diesel.
需求量在节节攀升：一升生物柴油比普通柴油要便宜4 ~6美分。
So if it's moles per liter, you usually write that with these brackets here.
如果是摩尔每升，通常写成这里括号的形式。
Health risks in children at various blood lead levels, in micrograms per liter.
不同的血铅水准对儿童健康的风险有别，以下数值单位为微克每升。
It takes 40 liters (20.5 gallons) of sap to make one liter (two pints) of syrup.
40升（20.5加仑）树液才能熬制出1升（2品脱）糖浆。
Did we actually use calculators to convert a liter to a gallon or a dollar to a pound?
人们总是使用计算器才能够把升转换为加仑或者把美元转换为英镑？
That is because the body can only absorb so much fluid per hour (about 1 liter or less).
这是因为机体每小时可以吸收的水分量是一定的。
The vehicles include a 2.0-liter, four-cylinder engine and a six-speed automatic transmission.
该车型配备了2.0升4缸发动机和6档自动变速器。
So this is moles per liter per second, right? It's disappearance of some concentration for time.
所以这里的单位是摩尔每升每秒，对吗？这代表浓度随着时间的减少。
Phantom Eye is powered by two 2.3-liter, four-cylinder engines that provide 150 horsepower each.
幻影眼是由两个2.3升四缸发动机提供动力，每个150马力。
The new model's 661-hp 6-liter V-12 makes the 599 GTO the most powerful road-going Ferrari ever.
661匹马力的6升V-12型发动机，使得599GTO成为法拉利史上最强劲的公路车。
Just think about how many 4 inch fish it takes to pay for one liter of diesel fuel at today's prices.
试想一下，如今要捕多少4英寸的鱼才能买得起一升柴油？
Let's figure out exactly what you're burning when you drink a 16-ounce (0.5 liter) glass of ice water.
当你喝下一杯16盎司(0.5升)的冰水，身体燃烧卡路里的情况如下。
It had the same sumptuous 3.8-liter six-cylinder engine and five - (or six -) speed gearbox as the M5 sedan.
该平台所有车型都与M5轿车一样搭载3.8升6缸发动机加5速(或6速)变速器的豪华配置组合。
Worse yet, it's a huge drain on water resources, gulping down up to 2,138 liters of water per liter of ethanol.
更糟糕的是，这项产业需要大量的水。要生产一公升乙醇需要消耗2138公升水。
The heat was unbearable, as it usually was. I was carrying two half-liter bottles of water, one in each hand.
和往常一样，酷热难挡，我一手拿着一瓶水。
If you are thirsty you should know that prices are quite high there, half a liter of beer is approximately 9 euros.
如果你渴了，你应该了解这里东西的价格相当高，半升啤酒约9欧元。
He charges just 7 pesos (28 cents) for a 1.5-liter bottle, a sixth of what a bottle of state-made cola costs in the supermarket.
一瓶1.5升的饮料他只卖7比索（28美分），这个价格是超市里一瓶国营企业生产的可乐价格的六分之一。
The draft regulation raises the price for a half liter bottle of the cheapest Vodka by more than 50% to just over three dollars.
该条例草案将最廉价的半升装伏特加酒的价格提高了50%以上，达到3美元。
When the Volt's battery pack is discharged, the 1.4-liter gas-powered four-cylinder engine kicks on to spin the 74-hp generator.
当沃蓝达的电池耗尽时，1.4升四缸燃气发动机就开工带动74马力的发电机。
When the Volt's battery pack is discharged, the 1.4-liter gas-powered four-cylinder engine kicks on to spin the 74-hp generator.
当沃蓝达的电池耗尽时，1.4升四缸燃气发动机就开工带动74马力的发电机。
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