A commercial spaceplane has remained a near near-impossible dream to some of the best engineers in the world.商業(yè)太空飛機(jī)一直是近乎不可能實(shí)現(xiàn)的夢(mèng)想到世界上一些秀的工程師。
Reaction Engines said it will take 10 years to develop, leaving Britain to become the first country in the world to launch a spaceplane in orbit.發(fā)動(dòng)機(jī)的反應(yīng)表示,將需要10年的發(fā)展,離開英國成為一個(gè)國家推出航天飛機(jī)在軌道上。[1]