大家都搜：
（太空）自由飞行
1、departing flights───离港航班
2、airline flights───航线驾驶
3、nonstop flights───不着陆飞行
4、daily flights───每日一班的航线
5、scheduled flights───[航]班机；定期航班
6、regular flights───定期航班；正常航班
7、allegiant flights───allegiant航班
8、arriving flights───到达航班
9、flights google───航班谷歌
1、space shuttle prototype Enterprise made its first free flights, in Earth's atmosphere, after separating from the 747 that carried it aloft.───航天飞机原型企业作出了首次自由飞行，在地球的大气层，从747后可能进行得高高的分离。
2、Two prototypes were built by Scaled Composites, and they made about 15 captive and free flights between 1997 and 2001.───两个原型建造的规模化复合材料，以及他们在1997年至2001年约15的俘虏和自由飞行。
3、Retailers have tried almost everything, from cheap credit to free flights, to entice shoppers through their doors.───从低价信贷到免费航班，零售商们几乎用尽一切办法说服购物者惠顾。