| 例句 |
The Earth rotates round the sun.地球围绕太阳转。Comets are balls of ice and dirt that circle the sun.彗星是冰和尘埃组成的球体，围绕太阳而行。The earth circulates around the sun.地球围绕太阳转。The revolution of the earth around the sun was proposed by Copernicus.地球围绕太阳旋转这一观点是哥白尼提出的。We now know that our system of planets orbiting the sun is not a unique phenomenon.现在我们知道，我们的行星围绕太阳运行的系统并非是独一无二的现象。The planets follow almost circular orbits around the sun.行星围绕太阳运行的轨道近乎圆形。 |