If a spacecraft travels faster than 11 km a second, it escapes the earth's gravitational pull.如果飞行速度超过每秒11公里，宇宙飞船将摆脱地球的引力。He witnessed many dramatic escapes as people jumped from as high as the fourth floor...他目睹了许多...
Water Chestnut germinates and grows again.冬天枯萎了的马蹄都再次萌芽生长....a woman with chestnut hair.栗色头发的女子We have a chestnut tree in the bottom of our garden.我们的花园尽头有一棵栗树。...that old chestnut, the war between man and machines.又是老掉牙...