短語詞組短語projectile e motion 拋體運動;拋射運動projectile queue motion 彈列運動vertically upward projectile motion 豎直上拋運動flat projectile motion 平拋運動horizontal projectile motion 平拋運動oblique projectile motion 斜拋運動vertically downword projectile motion 豎直下拋運動HORIZONTAL MOTION OF PROJECTILE 拋射體水平運動 返回 projectile motion