Unit 6 Space and beyond预习新知早知道预习新知早知道suspendunexceptionalshadowscreamcrewshadoware suspendedcrewscreamedcalled tocast a shadow onunexceptionaltook offaccustomedreach for the starsassumptionpatientpatientlynotionalAssuminginspirationaccustomedTragicallyShadowyunexceptional那句至今仍然著名的话 和乘普通飞机旅行一样安全 太空探索的英雄 那七个人将永远被我们铭记 不管这看起来有多么困难
