最终，奥运会主火炬由中国奥运英雄李宁点燃，他在万众瞩目之下缓缓升起，在空中绕场一周，点燃了象征奥林匹克精神的熊熊之火。
Finally, the cauldron was lit by a jet of fire from Chinese Olympic hero li Ning, who had been hoisted up to the roof of the stadium on wires.
十年来，国际空间站共运行了21亿公里，绕地球运转57300多次，接待过来自15个国家的167人，提供过1.9万多次用餐服务。
The space station has traveled 2.1 billion km, orbited Earth more than 57, 300 times, hosted 167 people from 15 countries, and served up more than 19, 000 meals.
马勒和其他一些人认为，这颗暗星绕太阳运行一周大约要用2600万年的时间。
Muller and others believe that the dark star probably takes about 26m years to complete an orbit around the sun.
内森·辛纳杜莱今年63岁，是一位IT业的咨询师。他估计自己在31年里飞了960万公里，相当于绕地球240圈。
Self-employed IT consultant Nesan Sinnadurai, 63, reckons he's traveled 9.6m km, equivalent to circling the equator 240 times, in the past 31 years.
开普勒- 9的这颗小行星绕其恒星公转一周仅需要一天半，它的轨道距恒星仅有250万英里。
The small Kepler-9 planet completes an orbit in just over a day and a half at a distance of 2.5 million miles from the star.
太阳距离银河系中心25000光年，每2亿5000万年完成一周绕银心公转。
It orbits some 25, 000 light years from the galactic core, completing a revolution once every 250 million years or so.
太阳距离银河系中心25000光年，每2亿5000万年完成一周绕银心公转。
It orbits some 25,000 light years from the galactic core, completing a revolution once every 250 million years or so.
如果把一个人的血管连接起来，约有15万公里长，可以绕地球4圈。
If a person's blood vessels to link up, about 150,000 kilometers long, you can circle around the Earth 4.
他们完成这项工程，用了8万英里的钢索，足以绕地球赤道3圈还多。
When they got finished, they had 80 thousand miles of cable, enough to span the earth at its equator three times over.
如果乘以全球寄出的62兆封垃圾电邮，等于开车绕地球160万次。
When multiplied by the 62 trillion spam emails sent globally, that is like driving around the Earth 1.6 million times.
如果乘以全球寄出的62兆封垃圾电邮，等于开车绕地球160万次。
When multiplied by the 62 trillion spam emails sent globally, that is like driving around the Earth 1.6 million times.
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