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- Our pilotless rocket enters the track of the earth. 我们把一个无人驾驶的火箭送入了地球的轨道里。
- Judy knows astronomy inside out. 朱迪对天文学非常精通。
- Physics and astronomy are cognate sciences. 物理学和天文学是相关联的科学。
- They planned to send a rocket to the moon. 他们计划向月球发射火箭。
- rocket astronomy 火箭天文学
- Astronomy, as distinct from astrology, is an exact science. 天文学是一门严谨的科学，与占星术完全不同。
- Imagine a rocket that can travel at the rate of light! 想象一下能以光的速度飞行的火箭。
- A rocket manned by trained astronauts will launch soon. 载有受过训练的宇航员的火箭马上就要发射了。
- Scientists have computed the probable course of the rocket. 科学家利用计算机计算了火箭可能运行的轨道。
- Mathematics and astronomy are cognate sciences. 数学和天文学是互相关联的科学。
- The rocket did one circuit of the earth and returned to base. 火箭绕地球运行一周后返回基地。
- An aircraft takeoff aided by an auxiliary jet or rocket. 助飞用喷气机或火箭帮助航空器起飞
- Astronomy inherits from astrology . 天文学是由占星学演变而来的。
- One that specializes in astronomy. 天文学家专门从事天文学研究的人
- X-ray astronomy has made impressive progress. X射线天文学已取得了引人注目的进展。
- A rocket can bring back information which we could never get in any other way. 火箭能够带回我们用其他方法得不到的资料。
- He is said to be the founder of modern astronomy. 他被誉为现代天文学的奠基人。
- He has a slight acquaintance with astronomy. 他懂一点儿天文学。
- We sent an unmanned rocket into earth orbit. 我们把一个无人驾驶的火箭送入了地球的轨道里。
- He is very interested in astronomy. 他对天文学很感兴趣。
