Astronomers used to ask why only Saturn has rings.天文学家们过去一直感到奇怪,为什么只有土星有光环.Saturn was to launch the 15 th flight, a Moon orbital mission.第15次飞行利用萨杜恩将飞船送人月球轨道.The Saturn family of launch vehicles falls into three types or...
Saturn was to launch the 15 th flight, a Moon orbital mission.第15次飞行利用萨杜恩将飞船送人月球轨道.Explanation: What does the surface of Saturn's ice - spewing moon Enceladus look like?说明: 土卫二,这颗会喷出冰的土星卫星表面长什么样子?Planetary scientist...
The Co-lonel's voice was barely audible...上校微弱的声音几不可闻。The singer’s voice was just audible.那名歌手的声音刚刚能听见。It made little audible gurgles which distracted me.它发出低微可听的汩汩之声,这就吓煞了我.It was Colin's voice, only just audi...
The cold weather had most deleterious consequences among the chrysanthemums.寒冷的天气对菊花产生了极有害的影响.The chrysanthemums are in bloom; some are red and some yellow.菊花开了, 有红的,有黄的.They raised five thousand chrysanthemums last year...