The Silk Road covered almost 6500 kilometers.
丝绸之路长达近6500公里。
This reservoir extends a good five kilometers.
这个水库足有5公里。
It's about 200 kilometers long and 240 kilometers wide.
它大约200公里长，240公里宽。
The coastal plain extends inlands 16 to 48 kilometers on the northwest.
沿海平原向西北方向延伸16到48公里。
All the patches fall within 500 square kilometers in the central Amazon.
所有的小块土地都位于亚马逊中部500平方公里的范围内。
After driving a few kilometers, the storm was becoming heavier and heavier.
行驶了几公里后，暴风雨变得越来越猛烈了。
On Mars, there are relatively few craters less than 5 kilometers in diameter.
在火星上，直径小于5公里的陨石坑相对较少。
It covers 11 countries in North Africa and is over 9 million square kilometers.
它覆盖了北非的11个国家，面积超过900万平方公里。
After walking more than 4 kilometers through the freezing snow, he was very tired.
在冰天雪地里走了4公里以上之后，他非常累了。
Langshan Mountain, lying in Xinning County, is about 500 kilometers away from Changsha.
阆山位于新宁县，距长沙约500公里。
The crater, now deeply buried in sediment, was originally about 200 kilometers in diameter.
这个陨石坑现在深埋在沉积物中，最初直径约200公里。
The Hellas Basin, which measures some 3,000 kilometers across and has a floor that lies nearly 9 kilometers below the basin's rim, is another candidate for an ancient Martian sea.
赫拉斯盆地是古老火星海洋位置的另一个候选地点，据测量，其跨度大约为3000公里，并且其底部位于盆地边缘下方接近9公里的位置。
Humpback whales swim at a speed of 1.6 kilometers an hour from Alaska to Hawaii.
座头鲸以每小时1.6公里的速度从阿拉斯加游到夏威夷。
It is almost 6,400 kilometers long.
它有近6400公里长。
It's about 60 kilometers from Shaoyang City.
离邵阳市大约60公里。
Its total area is 103 thousand square kilometers.
它的总面积是10.3万平方公里。
The Changjiang River is about 6,300 kilometers long.
长江长约6300公里。
The railway is 174 kilometers long, with 10 stations.
这条铁路长174公里，有10个车站。
These undersea valleys can reach 11 kilometers in depth.
这些海底峡谷的深度可达11千米。
It is possible to walk or bike the entire 14 kilometers.
人们可以步行或骑自行车走完全程14公里。
For 1,318 kilometers, we spent only 4 hours and 38 minutes.
1318公里，我们只用了4小时38分钟。
I run five kilometers every day, but it hasn't worked at all.
我每天跑五公里，但一点效果也没有。
They had to deal with winds as fast as 75 kilometers per hour.
他们必须应对风速高达每小时75公里的大风。
They had to deal with winds as fast as 75 kilometers per hour.
他们必须应对风速高达每小时75公里的大风。
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