太阳是一个巨大的旋转系统的中心，这个旋转系统由九大行星、它们的卫星和无数的小天体组成，包括小行星、彗星和流星体。
The Sun is the hub of a huge rotating system consisting of nine planets, their satellites, and numerous small bodies, including asteroids, comets, and meteoroids.
地球是沿轨道围绕太阳运行的九大行星之一。
The earth is one of mine planets which move in orbit round the sun.
太阳系中的九大行星都叫什么？
Nine planets orbit our sun, or are in our solar system. What are they called?
太阳系主要由太阳和九大行星组成?。
The solar system mainly consists of the sun and nine planets.
有九大行星围绕着太阳转。
太阳系从此有了九大行星。
九大行星都自转，它们又都围着太阳按同一方向转动。
Each of the nine planets turns on its own axis.They all go around the sun the same way.
关于太阳系里的九大行星，你知道哪些奥秘？
What mysteries do you know about the nine planets in the solar system?
地球是沿轨道围绕太阳运行的九大行星之一。
The earth is one of nine planets which move in orbit round the sun.
关于太阳系的九大行星你能回答这些测试题吗？
Can you answer these quiz CARDS about the planets in our solar system?
你知道九大行星吗？
请各位谈谈对于九大行星变为八大行星的看法。
九大行星都按时赴约，咱们都一副兴致勃勃的样子！
Nine planets are on time for appointments, we have a great interest in the way!
九大行星都自转，它们又都围着太阳按同一方向转动。
Each of the nine planets turns on its own axis. They all go around the sun the same way.
太阳系太阳和九大行星，以及围绕太阳运行的所有其他天体。
The sun together with the nine planets and all other celestial bodies that orbit the sun.
本来，九大行星早就知道舞会开定了，现已振奋地在打扮呢！
Originally, the nine planets already known dance open set, it has been encouraging in the dress!
九眼天珠的图腾就是九个圆点图腾，象征自然界九大行星运转。
Nine beads totem is nine dots totem, a symbol of nature, the nine planets running.
话说以前，宇宙中有一个太阳系，里面有九大行星围绕着太阳转动。
A long time ago, there was a solar system in the universe, inside there were the nine planets that orbit the sun.
这本书介绍太阳系的九大行星，并且作了深入的探讨，共四十六页。
With colorful illustrations and clear text, this book explores the planets. 46 pages.
再快一点的话，它甚至可以摆脱太阳的巨大引力。这就是太阳能够固定九大行星的力量。
Faster still and it can escape the immense pull of our sun, the force that holds the planets in place.
我们的地球是围绕太阳按轨道运行的九大行星之一。太阳、行星及行星各自的卫星构成了太阳系。
Our planet Earth is one of nine planets which move round, or orbit, the Sun. The Sun, planets, and their moons form the solar system.
事实上，太阳系内除了九大行星外亦有很多质量很小的小行星，它们的形状不甚规则，就如一块大石的模样。
In fact, in addition to the major planets in the solar system also have a lot of quality small asteroids, whose shape is somewhat irregular, like a boulder.
它们绕轨道运动的方向一致(从太阳北极上看是逆时针方向)，因此，科学家们把冥王星排除在九大行星之外。
They circle the orbital motion the direction to be consistent (from the solar North Pole looked is counter clockwise), therefore, the scientists remove Pluto outside the nine planets.
工程师和设计者已在着手进行飞船的设计工作，这种飞船能将人类送离地球轨道，以及月球和九大行星以外的太空。
Engineers and designers are already designing craft capable of propelling us beyond Earth "s orbit, the Moon and the planets."
由此看来，即使国际天文学联合会保住冥王星的行星地位，经典的太阳系九大行星理论也仍然要改，只是改法相反而已。
It seems that even if the IAU had kept Pluto's status as a planet, the classical theory of nine planets in the solar system would have had to be changed, but the other way around.
围绕着原子核运动的是一些极其微小的粒子，称为电子，这些电子围绕着原子核旋转，正像九大行星围绕着太阳旋转一样。
Moving around the nucleus are extremely tiny particles, called electrons, which revolve around the nucleus in much the same way as the nine planets do around the sun.
围绕着原子核运动的是一些极其微小的粒子，称为电子，这些电子围绕着原子核旋转，正像九大行星围绕着太阳旋转一样。
Moving around the nucleus are extremely tiny particles, called electrons, which revolve around the nucleus in much the same way as the nine planets do around the sun.
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