projectile

详细解释:n. 发射体, 抛射物
a. 发射的, 投射的
【化】 弹丸; 射弹; 抛体; (以力)射出的; 轰击粒子; 入射粒子

英语解释：

名词 projectile:

a weapon that is forcibly thrown or projected at a targets but is not self-propelled同义词：missile