做的时候粘腻的声音

　　Heroes of WW II The heroes on the battlefield, were matched by their civilian counterparts, who helped to liberate the free world by deciphering enemy codes, designing better aircraft and inventing war-winning machinery and ordnance. From pathfinding pilots to scientists, from the officers confronted with Hitler's atrocities at Belsen to the inventors of radar ; they all played... (展开全部)