Unit 4 Astronomy:the science of the stars1.astronaut n
宇航员2.telescope n
望远镜3.universe n
宇宙4.rocket n
火箭5.orbit n
(天体等的)运行轨道6.monitor vt
监测;监控7.data n
资料;数据8.gravity n.万有引力9.planet n.行星10.the outer space 外太空11.weather satellite 气象卫星12.space shuttle 航天飞机1.manned spaceship/spacecraft 载人飞船2.technological revolution 科技革命3.space station 太空站;空间站4.driverless cars 无人驾驶汽车5.explore space 探索太空6.flying car 飞行汽车7.have access to space travel 能到太空旅游8.land on the moon 登月9.potential breakthrough 潜在的突破10.launch/send up a satellite 发射卫星1.Inventors have been trying to make flying cars since the 1930s
自从 20 世纪 30 年代以来,发明家一直在试图制造飞车
2.The journey to outer space and other planets is not a dream any more
去外太空和其他星球的旅行不再是个梦
3 . Thanks to advanced technology, we are expected to make greater achievements in othe