地面上升起的湿气使墙壁的颜色变得很难看.The damp rising from the ground caused the walls to stain badly.夜晚的湿气与寒冷对支气管有害.These evening damps and chills play Old Harry with one's bronchial tubes.我们因树林里的湿气而打寒颤.We shivered in the damp of th...
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...