It contains oxygen and hydrogen that mixes together to form a very explosive combustion, two million pounds of thrust, that gets it off the pad and deeper into space than ever before.

它利用由氢和氧组成的混合物产生爆炸性燃烧，由此产生了两百万磅的推动力，使得它从发射台上起飞而深入之前无人踏足过的太空。