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- The operation principle of the planet type ball mill is: Rotate circumference of record have, equip with 4 is it make with rotary table high-speed ball of rotation rub the pot to revolve round the sun promptly. 行星式球磨机的工作原理是：在旋转盘的圆周上，装有4个即随转盘公转又做高速自转的球磨罐。
- The planets revolve round the sun. 行星绕着太阳运转。
- The earth revolves round the sun. 地球环绕太阳运行。
- The earth revolves round the sun (on its axis). 地球（以太阳为轴）绕太阳公转.
- The earth revolves round the sun(on its axis). 地球(以太阳为轴)绕太阳公转.
- To revolve round the sun 绕日而行
- The Earth revolves round the sun once a year. 地球一年绕太阳旋转一周。
- It used to be believed that the sun moved round the earth. 从前人们常以为太阳绕着地球转。
- Their life came to revolve round the polo seasons in which he starred: winter and spring in India, summer in Windsor or Surrey, the thundering chukkas interspersed with plentiful champagne. 他们的生活渐渐地围绕着他擅长的马球运动来运转：冬天和春天在印度，夏天在温莎或夏里，马球靴滚雷般做响，其间是丰沛的香摈酒。
- The earth is one of the planets revolving round the sun. 地球是绕太阳运行的行星之一。
- The earth revolves round the sun while rotates on its axis. 地球围绕着太阳运行，同时又绕自身的轴旋转。
- Like the earth, Mars goes round the Sun. 如同地球一样，火星绕太阳转。
- The Earth's path round the sun is elliptical. 地球绕太阳的轨道是椭圆形的。
- First of all let us consider the earth(that is to say,the world ) as a plannet revolving round the sun. 首先让我们把地球看作是围绕太阳运行的一颗行星。
- It was once a common belief that the sun moved round the earth. 人们曾经普遍地认为太阳环绕地球运转。
- It takes Mars about two years to revolve completely around the Sun. 火星绕太阳一周大约要两年的时间。
- The earth spins round the sun, and on its own axis. 地球围绕太阳旋转，并以地轴作自转。
- The wheels began to revolve slowly. 车轮开始慢慢转动。
- One of the seven celestial bodies, Mercury, Venus, the moon, the sun, Mars, Jupiter, and Saturn, visible to the naked eye and thought by ancient astronomers to revolve in the heavens about a fixed Earth and among fixed stars. 古行星能够用肉眼看到七个天体之一，水星、金星、月球、太阳、火星、木星和土星，古代天文学家认为它在天空中围绕着固定的地球和固定的恒星中旋转
- The earth goes round and round the sun. 地球周而复始地绕着太阳旋转。
