We can draw the earth's orbit round the sun.
我们可以画出地球绕太阳运行的轨迹。
It's a satellite in orbit round the Earth.
它是在绕地球轨道上运行的人造卫星。
The Russians plan to put a satellite into orbit round Mars.
俄国人计划把一颗人造卫星送入环绕火星的轨道。
The earth is one of mine planets which move in orbit round the sun.
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.
地球是沿轨道围绕太阳运行的九大行星之一。
Venus circles the sun in an almost perfectly round orbit.
金星几乎以正圆形的轨道围绕太阳运行。
The spacecraft is in orbit (ie moving in orbit) round the moon.
该航天器在绕月球轨道上飞行。
Can you name them one by one, As they orbit 'round the sun?
你能说出其中的一个，因为它们的轨道'绕太阳？
Can you name them one by one, As they orbit 'round the sun?
你能说出其中的一个，因为它们的轨道'绕太阳？
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