地球绕太阳一周要一年的时间。
我们的地球相对来说比较小，绕赤道一周只有24902英里。
Our planet Earth is comparatively small, with only about 24,902miles around the equator.
我们的地理老师告诉我们月亮每28天绕地球一周。
Our geography teacher told us the moon circles the earth every 28 days.
虽然我一周在绕加利福尼亚的村庄，但是我的意图是清楚的。
Although I beat around the California countryside for a week, my intent was clear.
那时月球运行轨道较小，绕我们一周也就需要20天的时间，当时地球上的一天也就只有18个小时。
Its tighter orbit meant it needed just 20 days to go around us. A day on Earth back then was only 18 hours long.
(地球绕太阳公转一周约365天)，对比起来，月球约用29天左右绕地球一周。
(It takes about 365 days for the earth to make a complete revolution around the sun.) In contrast, the moon takes 29 days or so to make a complete cycle around the earth.
如果飞机有这样的速度，在一分钟多一点的时间内就能够绕地球一周。
At that velocity, an airplane could circle Earth in little more than a minute.
乔治·布什本周在欧洲的告别之旅和运动员获胜后绕场一周还是有区别的，这一点不难看出。
It WAS not difficult to distinguish between George Bush's farewell visit to Europe this week and a victory lap.
地球要花费24小时完成绕地轴一周的自转，花费大约365天完成绕太阳一周的公转。
It takes Earth 24 hours to complete a rotation on its axis, and roughly 365 days to complete an orbit around the sun.
绕城一周，为我们提供了看待希望与绝望的另一幅图景。
A ride around town offers alternate vistas of that hope and despair.
天文学家们认为这颗新发现的行星的质量至少是木星的1.25倍，它的运行轨道非常贴近其母星，绕其运行一周只需16.2天。
The new planet is thought to have a minimum mass 1.25 times that of Jupiter and circles in close proximity to its parent star, with an orbit lasting just 16.2 days.
晚宴上，名媛们将与贴身男伴绕场一周，舞伴会将她引见给舞会的主持人。
During dinner, the debutantes walk around with their devoted companions and are presented to the master of ceremonies.
李相花与她的教练紧紧相拥，并身披韩国国旗绕场一周，这在里德士速滑馆变得越来越熟悉，有很多的胜者都用此方法来庆祝。
Lee got a hug from her coach and grabbed a South Korean flag for the victory lap, an increasingly familiar celebration at the oval in suburban Richmond.
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.
这颗行星围绕着一颗名为“格里斯876”的恒星运转，该恒星距地球15光年，绕轨道运行一周的时间约为地球上的1.94天。
It is orbiting a star called Gliese 876, 15 light years from Earth, with an orbit time of just 1.94 Earth days.
地球每年绕太阳一周。
我准备在轨道上滑下，物体，我要求出，绕轨道一周的，震荡时间。
And I'm going to slide down m that track an object mass m, and I'm going to evaluate the oscillation along a perfect circular track.
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.
我们说，选一个话题，任何烦绕你的话题，然后用一周来改变10亿人的生活。
We said, take one idea, anything that bothers you, choose one week, and change a billion lives.
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.
假如它们相互绕轨道运行得更快一些，譬如说，绕轨道运行一周的时间降为3分钟，那么这一对白矮星就会相互牵引得过于靠近，而开始从另一个中抽取氮气。
If they orbited each other any more quickly, say, on the order of three minutes per orbit, the stars would pull so close that they would begin siphoning helium off one another.
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.
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.
说它像“火神星”，是因为它每20小时以轨迹相当于水星轨迹的1/20的长度绕其恒星（Kepler-10）一周。
What makes it Vulcanlike, though, is that it circles its star, Kepler-10, once every 20 hours, in an orbit a twentieth the size of Mercury’s.
在明尼阿波利斯（Minneapolis）、麦迪逊（Madison）、威斯康星（Wis.） 还有芝加哥，我路遇的朋友们纷纷向我表示祝贺，就好像我已经胜利了、正绕场一周享受欢呼一样。
In Minneapolis, in Madison, Wis., and again in Chicago, the friends I met up with offered congratulations as if I were already taking a victory lap.
它每十二小时绕水星一周，将填补早先它两次飞掠和水手十号1974、1975年照片的视觉视角。
The spacecraft will orbit about once every 12 hours and fill in the visual gaps left by it's two earlier flybys and the images snapped by Mariner 10 between 1974 and 1975.
地球绕太阳一周，历法上叫一年，循环往复，永无止境。
The Earth around the Sun a week, called the calendar year, the cycle of endless.
地球绕太阳一周，历法上叫一年，循环往复，永无止境。
The Earth around the Sun a week, called the calendar year, the cycle of endless.
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