1·A thousand kilometres separates the two cities.
两座城市相隔一千公里。
—— 《牛津词典》
2·It's about 70—no, I'm wrong—80 kilometres from Rome.
距离罗马大约是70—不，不对—是80公里。
—— 《牛津词典》
3·Eight kilometres is roughly equivalent to five miles.
八公里约等于五英里。
—— 《牛津词典》
4·The reserve covers an area of some 1 140 square kilometres.
保护区占地面积大约1 140平方公里。
—— 《牛津词典》
5·Most people walk at an average rate of 5 kilometres an hour.
大多数人步行的平均速度为每小时5公里。
—— 《牛津词典》
1·Our plane sank to the height of 3 kilometres.
我们的飞机下降到了三千米的高度。
2·No one quite knows why glaciers and ice shelves are melting so fast, or how a meltwater lake on the Greenland ice sheet covering six square kilometres could drain away in 24 hours, as it did in 2006.
没有人非常了解为什么冰架这么迅速的融化，也没人知道格林兰冰架上的一个覆盖6平方千米的融水湖会在24小时内流干——这在2006确实发生了。
3·Rockets expel the stuff at altitudes three times as high - in the stratosphere more than 40 kilometres above sea level.
而火箭排出物三倍高于飞机- - -在海拔40多千米的平流层。
4·So though the total volume of the eruption, put at about 0.14 cubic kilometres, is low, the amount of ash capable of travelling long distances is high.
所以，尽管这次喷发的规模不大，大约0.14立方千米，但大量灰尘扩散到很远的地方。
5·The city now teeters around a huge pit, two kilometres across and 350 metres deep.
由于这个横越2千米、深350米的巨大的矿井，现在该城摇摇欲坠。