The nonrigid helium - filled Blimp was principally developed by Alberto Santos - Dumont ( 1873 - 1932 ) .软式充填氦气的飞船主要是由桑托斯- 杜蒙特 发展改进.The gray oval is a blimp.灰色椭圆形是小型飞船.Scientists in the blimp did not see anything.小飞艇上的科学...
The biology class studied the generation of fruit flies.生物班的学生研究了果蝇的繁殖。A lie begets a lie till they come to generation.谎言生谎言,谎言传万代。The generation of aerosols in polluted atmospheres has been investigated in several exper...