They set off a manned rocket last year.
去年他们发射了载人火箭。
The public showing was the first concrete evidence of progress since the Rutan-designed SpaceShipOne became the first private, manned rocket to reach space in 2004.
本次(“白骑士2号”)的公开亮相成为自2004年鲁丹设计的“太空一号”成为第一艘进入太空的私营载人火箭之后(在太空旅游领域)取得的又一次具体进展。
A rocket manned by trained astronauts will launch soon.
载有受过训练的宇航员的火箭马上就要发射了。
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