丝绸之路大约有6500公里长。
它大约有6500公里长，覆盖了地球的四分之一。
It was about 6, 500 kilometers long and went across one fourth of the planet.
你真的能够拉出一条36000公里长的纳米管线，或者纳米管带，其强度比钢铁要高，但其厚度可能只是人类头发的千分之一。
You could actually draw out a 36,000-kilometer strand or ribbon of nanotubes stronger than steel, but maybe a thousandth the thickness of a human hair.
它有近6400公里长。
沿河有一条8公里长的木制走道。
Along the river, there is an eight-kilometer-long wooden walkway.
三年前我们家乡建了一座三公里长的桥。
A 3-kilometer-long bridge was built in our hometown three years ago.
他们花了七年时间修建了一条八公里长的公路。
每年有4公里长的新货架，因为它每年都吸引着越来越多的游客。
There are four kilometers of new shelves each year, because it attracts increasing number of tourists each year.
它大约200公里长，240公里宽。
火灾结束后，由于家产众多，这家人必须修复大火对农场造成的破坏，包括重建约50公里长的围栏。
Once the fires were over, the family had to fix the damage done to the farm as it was such a large property. This included rebuilding about 50 kilometers of fencing.
难道二三八公里长时间？
这是世界上最大的冰洞，其有42公里长的隧道和洞庭。
It is the largest ice cave in the world, extending more than 42 km of tunnels and Chambers.
整个核设施周围仍然被近7公里长、50米高的沙质护堤包围起来。
The whole nuclear site remains surrounded by almost seven kilometres of 50-metre high sand berms.
将近一公里长，600英尺深，在坑边有观景点但没有去坑底的路。
Nearly a mile across and 600ft deep, there are lookout points around the crater’s edge but no hiking to the bottom.
将近一公里长，600英尺深，在坑边有观景点但没有去坑底的路。
Nearly a mile across and 600ft deep, there are lookout points around the crater's edge but no hiking to the bottom.
阿拉斯迪州的加纳利公路上横跨670英里（1100公里长）的一道彩虹。
A rainbow stretches over a section of the 670-mile-long (1, 100-kilometer-long) Denali Highway in Alaska.
很多受灾者来自重庆周边的山区。重庆位于640公里长三峡水库的西侧上游。
Many victims are from the hilly terrain around Chongqing, the city located upstream on the western end of the 640-kilometer-long reservoir created by the Three Gorges Dam.
用这个办法，研究人员能通过50公里长的光纤每秒发送26t的数据。
Using that method, they were able to send data over a 50-kilometer length of optical fiber at 26 terabits per second.
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.
比如1994年，在科威特市开的第一个餐厅营业的当天，排队的顾客足有10公里长。
When the first store opened in Kuwait City in 1994, for example, there was a line ten kilometers long.
这些问题也包括从哪里划定超过2000公里长的边界线，和如何分配石油的钱。
Those issues also include where to draw the more than two-thousand-kilometer-long border and how to share oil money.
这段28公里长的公路是四年前通过爆破风化的火成岩而成的一条通往维西的捷径。
This 28-km segment was blasted through weathered igneous rocks four years ago to provide a shorter route to the town of Weixi.
这也解释了满月两天后，为什么飞行员时常看到10公里长的红色珊瑚配子浮游体。
That may explain why pilots often see red, 10-kilometer-long slicks of coral gametes a couple of days after a full moon.
这个湖有14.7公里长，最大宽度为3.05公里，总面积达28.8平方公里。
The lake is 14.70km long and has a maximum width of 3.05km and a total surface area of 28.90km2.
照片上显示的是大约238公里长223公里宽的一块区域，图片的方向是上北下南。
The image shows an area of about 238 kilometers by 223 kilometers, with north at the top.
照片上显示的是大约238公里长223公里宽的一块区域，图片的方向是上北下南。
The image shows an area of about 238 kilometers by 223 kilometers, with north at the top.
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