You start by running 5 km, move up to a 10 km, then a half marathon.
你先跑5公里，再跑10公里，然后跑半程马拉松。
It was finished in 2019, helping shorten the 18-km distance over the mountain to 5.7 km.
隧道于2019年竣工，将18公里的路程缩短至5.7公里。
In nine minutes, the probe had to reduce its speed from 20,000 km per hour to zero, landing from 125 km above Mars.
在9分钟内，探测器必须将速度从每小时2万公里降至零，从火星上空125公里处着陆。
Lebanon borders Syria for 375 km to the north and to the east and Israel for 79 km to the south.
黎巴嫩北部及东部和叙利亚接壤，边境线长达375公里，南部和以色列接壤，边境线长79公里。
The park is 63 miles (101 km) north to south, and 54 miles (87 km) west to east by air.
该公园空中从北到南63英里（101公里），从西到东54英里（87公里）。
Racing over in his car, he smashed into a concrete barrier at 140 km an hour in a 50 km zone.
他在限速50公里区内急速行驶，以每小时140公里的速度撞到一个水泥墩上。
The horizontal width of the condensate falling from the convective cells was much less than the width of the observed mesoscale downdraft (60 km compared to 150 km).
从对流单体降落的冷凝物的水平宽度比观测到的做尺度下沉气流的宽度小得多（前者60公里而后者150公里）。
If you're already walking 5 km to the nearest stream to get water, by 2050, it's going to mean walking 30 km or moving your whole household closer to the water source.
如果现在需要徒步到5公里以外最近的水源地取水，到2050年就意味着要到30公里之外，或者只能搬到离水源更近的地方。
In all experiments there is at 300 km of sea to the west and 100 km of sea to the east.
在这些试验中，西面离海至少300公里，东面离海至少100公里。
The authorities advised residents living within 20-30 km radius of the plant to stay indoors and set the area 20 km around the plant as an exclusion zone where residents have been evacuated.
当局建议电厂周围20至30公里半径范围内居民留在室内，并撤离了半径20公里以内的军民，将其设置为隔离区。
Over the first day the expedition covered only 20 km (out of 500 km to Khatanga). In total, it took 5 days to get there.
第一天结束后，我们只行驶了20公里（总路程为500公里），按总路程来看需要花费5天时间才能到达哈坦加。
The reservoir is 400 km long, 15 km wide and 100 m deep.
整座水库长400千米，宽15千米，深100米。
It covers an area of just over 2m square km and contains an estimated 150,000 cubic km of groundwater.
它覆盖的面积只有200万平方公里多一点，但是据估测含有15万立方千米地下水。
It covers an area of just over 2m square km and contains an estimated 150, 000 cubic km of groundwater.
它覆盖的面积只有200万平方公里多一点，但是据估测含有15万立方千米地下水。
Hurricane force winds extended as far as 90 miles (150 km) from the center, with tropical storm force winds stretching to 200 miles (325 km).
离中心150公里处风速为飓风级，而热带风暴级的风能延伸到距离中心325公里的地方。
While the country is over twice the size France, it only has less than 10 000 km of roads of which less than 800 km is paved.
尽管这个国家的大小是法国的两倍，但是它仅仅有不到10000公里的路，而且仅仅800公里是由砖石铺成的。
A cube with the same volume as the spherical Earth would have a side 10, 000 km (6, 400 miles) long so the corners are 8700 km from the center!
和球形“地球”具有同等体积的立方体的每个边长应当是10000公里，每个顶点到立方体中心的距离是8700公里！
As a result, 10,800 km of railways and about 300,000 km of roads have been built and 210m kW of installed capacity for power generation have been added.
结果，完成了一万八百公里长的铁路和30万公里长的道路建设以及增加了装置容量为2.1亿千瓦的电力发电。
The rocket stages should separate at an altitude of about 130,000 feet (24.6 miles or 39 km) and continue upwards until they hit a maximum altitude of 150,000 feet (28 miles or 45 km).
火箭的两级将在海拔13万英尺（24.6英里或39千米）的高空分离并继续上升直到海拔15万英尺（28英里或45千米）。
The rocket stages should separate at an altitude of about 130, 000 feet (24.6 miles or 39 km) and continue upwards until they hit a maximum altitude of 150, 000 feet (28 miles or 45 km).
火箭的两级将在海拔13万英尺(24.6英里或39千米)的高空分离并继续上升直到海拔15万英尺(28英里或45千米)。
China has 123,000 km of navigable waterways, of which 61,000 km are officially classified for commercial navigation purposes.
中国约有12.3万公里可通航的河道，其中6.1万公里为商业运输航道。
The largest lake, the 1, 000-year-old, man-made Upper Lake, had reduced in size from 38 sq km to 5 sq km by the start of last week.
有1000年历史的最大的人工湖上湖，面积自上周起已从5平方公里减少至3平方公里。
In 1949, China had a highway mileage of only 80700 km, with 30000 km paved.
新中国成立初期，我国公路通车里程仅为8.07万公里，有路面里程3万公里。
The planet is about the same size as Earth; it sits closer to the sun than we do, but not by much - 67 million miles, compared with 93 million miles (or 108 million km vs. 150 million km).
这颗行星大小和地球相仿；她距离太阳6700万英里(1.08亿公里)，比地球的9300万英里(1.5亿公里)稍近。
The quake was centered 204 km (127 miles) west-northwest of the coastal town of Sibolga and was at a depth of 46 km (28.6 miles), the U.S. Geological Survey said.
美国地质调查局称，震中位于海滨小镇西伯加（Sibolga）西北204公里处，深度约为46公里。
It now stretches 8, 851.8 km (5, 500.3 mi), with approximately 2, 232 km of that natural barriers such as hills and rivers.
现在长城长8,8851.8千米，其中约2232千米是像山丘、河流的天然屏障。
The planet Mercury is the smallest of the inner planets (4, 880 km/3, 032 mi in diameter), and the closest to the Sun (58 million km/36 million mi - or 3.2 light minutes).
水星在地内行星中是最小的行星（直径4 880公里），同时也是靠太阳最近的行星（5800万公里）。
Stretching across 190 x 112 km, this region of Mars covers an area of about 21 280 sq km, which is roughly the size of Slovenia.
这一地区约为190*112公里，占地21280平方公里，大约相当于斯洛文尼亚的面积。
Stretching across 190 x 112 km, this region of Mars covers an area of about 21 280 sq km, which is roughly the size of Slovenia.
这一地区约为190*112公里，占地21280平方公里，大约相当于斯洛文尼亚的面积。
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