释义 |
航天飞机hángtiān fēijī兼有航空和航天功能的空中运载工具。利用助推火箭垂直起飞,然后启动轨道飞行器进行轨道航行,返回地面时滑翔降落。可以重复使用。{shuttlecraft; space shuttle; space plane; aerospace plane; reusable space vehicle for aviation and aerospace purposes that takes off vertically with the assistance of a booster rocket, then activates an orbiter to start an orbital manoeuvre, and finally glides to a landing when returning to the earth} |