人们可以步行或骑自行车走完全程14公里。
在一个小村庄里，有一位中年邮递员，他刚满20岁就开始在50公里的路程中日复一日地向每家每户传递各种或喜或悲的故事。
In a small village, there was a middle-aged postman, who just turned 20 years old and started delivering all kinds of happy or sad stories to each home day after day for 50 kilometers.
位于格朗萨索的地下实验室，在罗马以南120公里(或75英里)，它是世界上此类型最大的粒子物理和宇宙研究实验室。
The underground Italian laboratory, some 120 km (75 miles) to the south of Rome, is the largest of its type in the world for particle physics and cosmic research.
所以，我们正在谈论的也许是大约合计一百(或五十)万立方公里的冰。
So we're talking about maybe a (half) million cubic kilometers of ice in total.
用第三人称写(“含水层涵盖1000平方公里”)，或第一人称复数(“从这个等式我们看到，加速度与力成正比”)。
Write in the third person (" the aquifer covers 1000 square kilometers ") or the first person plural (" We see from this equation that acceleration is proportional to force ").
平均起来，一条钢制履带的履带板使用400公里（250英里）之后就必须维修或更换。
On average, the segments of a steel track must be repaired or replaced after just 400km (250 miles) of use.
购物者一般都会从家或工作场所出发，走上几公里比较商品的价格。
Shoppers usually travel only a few kilometres from home or work to compare prices.
如果他们乘公车或火车就只能获得每公里0.12欧元了。
They get just 0.12 euros per kilometre if they take a bus or train.
俄斐峡谷是一个宽约62英里，或100公里的，朝向西北偏西方向的大低谷。
Ophir Chasma is a large west-northwest-trending trough about 62 miles, or 100 km, wide.
现在的目标是怎样构建20公里长的芳纶管道，并用一个或多个气球带动并固定管道。
The current proposal sees the construction of a 20km Kevlar pipe tethered by one or more balloons.
有几天我们走了40或45公里。
右下角的巨大陨石坑按比例宽约18.5英里，或30公里。
For scale, the large impact crater in lower right corner is about 18.5 miles, or 30 km, wide.
离开太阳距离的差别约为300万英里(或500万公里)。这样，整个地球从太阳那里所取得的热量，相差7%。
The difference is about 3 million miles (5 million kilometers), and it makes a difference in radiant heat received by the entire Earth of nearly 7 percent.
在800公里长海岸线的沿线地区，建筑物被横扫一空，没有任何生命的迹象，共有 16.7万人死亡或失踪。 在这种情况下，重建任务似乎很艰巨，而且确实也很艰巨。
With 167,000 dead or missing along an 800 kilometer strip of coastline that had been swept clean of buildings and all signs of life, the task of rebuilding seemed, and was, overwhelming.
现在的EF 3级龙卷风风速为每小时218至266公里，图中龙卷风可能为EF 3、EF 4或EF5。
An EF3 tornado now has wind speeds between 136-165 miles per hour (218-266 kilometers per hour), and the tornado pictured could be an EF3, EF4 or EF5.
印度已经拥有3000公里射程的Agni - III导弹——在Agni系列中最长的——也可以携带常规或核载荷。
India already has the 3, 000-kilometer range Agni-III missile - the longest in the Agni series - which can also carry conventional or nuclear payloads.
认为中国是一个自行车王国的想法现在看来是已经是过时了，已经修建完毕或正在建设中的直达公路大约有4万5千公里。
Already the idea of China as a nation of cyclists seems quaint. Some 45,000km of expressways have been built or are under construction.
2008年，“Hydroptere”达到了每小时60节以上的极限速度(约合每小时111公里，或每小时70海里)，然后突然地崩溃解体。
In 2008, "Hydroptere" reached extreme speeds of over 60 knots per hour (about 111 km per hour, or almost 70 MPH) before dramatically crashing.
为自己的成功设定一个可实现的目标，例如跑5公里，或整理你的数码照片。
Set yourself up for success with an achievable goal, like running a 5k or organizing your digital photos.
另一项分析结果显示，与每周跑步少于16公里的人相比，每周跑步64公里或更多的人们患白内障的风险可降低35%。
The other analysis found that men who ran 64 or more kilometers a week had a 35% lower cataract risk than those who ran less than 16 kilometers per week.
如果你身处热带，这两大气层的分界线——对流层顶离你的头顶约18公里高；如果在高纬度地区(或高山上)则少几公里。
The boundary between the two, the tropopause, is about 18km above your head, if you are in the tropics, and a few kilometres lower if you are at higher latitudes (or up a mountain).
在几百或几千公里外的卫星轨道上向下俯瞰这个被太阳照耀的地球，文明的标志清晰可见。
Looking down from orbit hundreds or thousands of kilometers above the sunlit surface of the Earth, the signposts of civilization are clearly visible.
可以远距离飞越、威胁远离原生地数百公里或数千公里之外的作物的蝗虫和其它迁移性虫害亦是如此。
The same is true for locusts and other migratory pests that can fly over great distances and threaten crops hundreds or thousands of kilometres away from their places of origin.
如果没有充足的时间来为你最初计划的比赛进行训练，你可以选择参加更晚一些的另外一个比赛或者参加短一些的比赛如5公里或10公里赛。
If there isn't adequate time to train for the race you originally intended to run, either select another event a few months later or register for some shorter events such as a 5k or 10k.
另外一种配速的指标就是将你的5公里比赛的每英里配速减去30 -40秒(对于跑得快的选手)或40 - 60秒(对于跑得慢的选手)。
Another way to figure your pace is to run your 5-k race pace minus 30 to 40 seconds per mile (for faster runners) or 40 to 60 seconds per mile (for slower runners).
只要车主一年能至少行驶12,000公里，整体运行的成本就会约等于或低于汽油和柴油车。
As long as owners drive at least 12,000km a year, overall running costs will be equivalent to, or lower than, a petrol or diesel-powered car.
只要车主一年能至少行驶12,000公里，整体运行的成本就会约等于或低于汽油和柴油车。
As long as owners drive at least 12, 000km a year, overall running costs will be equivalent to, or lower than, a petrol or diesel-powered car.
但是你怎样才能既休息又不降低你为之奋斗的5公里、10公里、半程或全程马拉松的水平呢？
But how do you reap the benefits of rest without compromising your fitness for the 5-k, 10-k, half, or full marathon you've been working toward?
但是你怎样才能既休息又不降低你为之奋斗的5公里、10公里、半程或全程马拉松的水平呢？
But how do you reap the benefits of rest without compromising your fitness for the 5-k, 10-k, half, or full marathon you've been working toward?
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