n.抛射体；（炮弹、子弹等）射弹，（火箭等）自动推进的武器；adj.向前开进的；推进的；抛掷的；弹射的 变形： 复数：projectiles 英英释义： projectile[ prəu'dʒektail, -til ]n.a weapon that is forcibly thrown or projected at a targets but is not self-propelled同义词：missileany vehicle self-propelled by a rocket engine同义词