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）
practice saying hundred, thousand and kilometre.
练习说百，千和公里。
How could I not have been spoiled? he thought, journeys along the Ertix are at least a hundred kilometres long, and the mountains at least three thousand metres above sea level.
他想，我怎么能不被惯坏呢，在额尔齐斯和流域，路程起码是上百公里，山岭最少是海拔三千多米。
a metric unit of length equal to one thousandth of a meter.
公制长度单位等于千分之一米。
How many millimeters are there in a kilometer?
一公里有多少毫米？
In a hundredth of a second, light travels 3,000 kilometers.
在百分之一秒的时间里，光传播了3000千米。
There are some 500 peaks in the region, of different heights but every one more than 1 000 metres above sea level.
这里，有大小峰峦五百余座，海拔都在千米以上；
Guangdong Protruly Electronics Technology Co., Ltd.
广东保千里电子技术有限公司
Electricity stopped flowing along thousands of kilometers of power lines.
有几千公里的电力线发生了断电事故。
The Great Wall runs 6700 kilometers across five provinces.
长城跨越五省，共计六千七百公里。
It is more than 3, 000 kilmeters from Hawaii to the mainland of the United States.
从夏威夷到美国的陆地有三千多公里。
The children be play on the swing In the park
孩子们正在公园里荡秋千
At the moment we're holding ten million in bonds.
现在我们手里有一千万公债！
In the far reaches of the solar system comets range from a few km to a few hundred km across.
在太阳系的广阔空间范围里，彗星的大小一般从几千米到几十万米。
Sun Tzu said: Raising a host of a hundred thousand men and marching them great distances entails heavy loss on the people and a drain on the resources of the State. The daily expenditure will amount to a thousand ounces of silver.
孙子曰:凡兴师十万,出征千里,百姓之费,公家之奉,日费千金。
Ghana has a population of 11,000,000.Its land area is 238,538 square kilometres.
迦纳有人口一千一百万。二十三万八千五百三十八平方公里。
meter-kilogram-second-ampere system
米－千克－秒－安制
We live in a seven-story apartment which has one thousand sq.ft.
我们住在一栋七层的公寓里，有一千平方尺。