Endeavour is one of three space shuttles still in operation .

奋进号是目前仍在服役的三艘航天飞机中的一艘。

Flying reusable space shuttles was nasa 's consolation prize .

可重复使用的航天飞机是宇航局得到的安慰奖。

Many of its components were later removed as spares for other shuttles .

它的许多组成部分后来被拿掉作为其它宇宙飞船的备件。

Space shuttles are the fastest reusable manned vehicles ever built .

太空梭是人们建造的速度最快且可以重复使用的载人工具。

The bus shuttles passengers between terminals .

公共汽车在终点站之间穿梭运送乘客。