例句 |
When did scientists first conceive of space travel?科学家最初是什么时候设想出太空旅行的? Take a glimpse into the future of space travel.粗略展望一下太空旅行的前景。The space travellers made a successful landing on the moon.太空旅行者成功地登上月球。One day ordinary people will be able to travel in space.总有一天普通人也能去太空旅行的。The book discusses the future of travel in outer space.这本书探讨了太空旅行的未来。He's collecting material for a new book on space travel.他正在为一本关于太空旅行的新书收集素材。Future generations can possibly look forward to space travel as a holiday option.将来的人有可能把去太空旅行当作是一个度假的选择。 |