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- How many spacecrafts are orbiting the moon? 有多少航天器绕月球轨道飞行？
- The spacecraft is orbiting the moon. 宇宙飞船正绕月球飞行。
- How many spacecraft have orbited the moon? 有多少艘太空船已经绕月球轨道运行过?
- The spacecraft is in orbit around the moon. 该航天器在绕月球轨道运行。
- The flight proved that a spacecraft could orbit the moon and return to Earth safely. 这次飞行证明了宇宙飞船可以环绕月球，并平安回到地球。
- How many spacecraft have orbited the moon ? 有多少艘太空船已经绕月球轨道运行过?
- China launched its first manned space mission in 2003; it sent its first spacecraft to orbit the moon at the end of October. 中国于2003年首次推出载人空间计划;中国于今年的十月底将第一艘太空船送入月球轨道。
- 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。
- This year it plans to launch a satellite that will orbit the moon as part of preparations for an eventual lunar landing (after 2020, officials say) by a Chinese citizen. 今年他们还准备发射一颗围绕月球轨道运转的卫星，这颗卫星将为最后的登月计划（2020年以后，有官员说）准备的一部分。
- Itis possible that later this year China will launch an unmannedspacecraft to orbit the moon, a step towards an eventual moon landing by aChinese astronaut. 今年晚些时候，中国有可能发射一个无人环月航天器，向最终实现中国太空人的登月目标前进了一步。
- The moon orbits around the Earth; The planets are orbiting the sun. 月亮绕地球转；行星正绕太阳转。
- EM: You see those Earthrises when you're orbiting the moon. 当你环绕着月球运行的时候，你看到了地球升起。
- The attraction of the moon for the earth causes the tides. 月球对地球的吸引力造成潮汐。
- The moon peeped out from behind the clouds. 月亮从云层中隐现。
- The tides depend on the pull of the moon. 潮汐是月亮引力作用的结果。
- It is now possible to put a man on the moon. 目前已能将人送到月球上。
- Both target and projectile orbit the primary. 无论靶体还是射体都在绕主天体作轨道运动。
- The moon emerged from behind the clouds. 月亮从云层後露出。
- The Americans put a man on the moon in 1969. 美国人於1969年把人送上了月球。
- The earth takes a year to orbit the sun. 地球绕太阳一周要一年的时间。
