16、Otto Lilienthal soars above acrowd inone of his manned gliders in an 1893 photograph.(这是1893年的一张照片,奥特·李林塔尔乘着他的载人飞行器翱翔在人群上空。) 17、When the dust clears from the sensational order boom (at least for Airbus) in Paris, perhaps reality willcrowd in.(当轰动的...