The Three Gorges themselves, not including the waterway that connects one with the other, are in all 90 km long.
三峡峡谷长达90千米。
Land area of9.6 million square kilometers land borders over20,000 km.
陆地面积960万平方千米，陆上边界2万多千米。
This liquid zone extends from a depth of 2,900 kilometers to a depth of 5,100 kilometers.
这个流体带从2900千米深度延伸到5I00千米深度。
Stretching 40 km north to south and eight km east to west, it sits at an elevation of 1 886 metres above sea level, looking like a vast sea extending to the distant horizons.
滇池南北长40千米，东西宽8千米，海拔1886米，水天相接，具有海的气魄。
The five lakes, which flow into each other, stretch along a total distance of 20 km and cover some 40 sq km. In their deepest parts, the lakes are more than 100 metres in depth.
五池之间相互连通，纵长20千米，池面40平方千米，最深处达百余米。
Lake Erhia is an extensive stretch of water covering some 320 sq km, 40 km long and 8 km wide, beginning from Eryuan in the north to Xiaguan in the south, sitting at an elevation of nearly 2 000 metres above sea level.
洱海北起洱源，南至下关，长40千米，平均宽8千米，面积320平方千米，海拔1980米。
How incredibly broad, he thought again, stupefied.
这河漫滩恐怕有几千米宽，不，恐怕有一万米宽哪。
A metric unit of length equal to1, 000 meters(0.62 mile).
千米，公里公制的长度单位，等于1，000米（0。62英里）
In some places this ice is 4. 5 kilometers thick.
在某些地方，冰达到了4. 5千米厚。
The deposits spread for 100 kilometers across four counties.
这些矿藏绵延100 千米，跨越四个县。
The car speeded up to hundred kilometers per hour.
汽车加速到每小时100 千米。
Can you express this distance in kilometers?
你能用千米来表示这段距离吗。
Their tents were situated at an elevation of 3000 metres.
他们的帐蓬设在海拔三千米的高处。
In other words, when the wind is blowing at 120 kilometers per hour,
换言之，当风速为每小时120千米，
Waterbridge was a small town 150 kilometres from the city.
水桥镇是一个距此城150千米的小镇。
meter-kilogram-second-ampere system
米－千克－秒－安制
MKS System of electrical units
电学单位的米·千克·秒制
One micron is a thousandth of a millimeter: a pinhead is about a millimeter across.
一微米等于千分之一毫米。 针头直径大约一毫米。