rifleman

详细解释:n. 步枪射手, 步兵

英语解释：

名词 rifleman:

someone skilled in the use of a riflea soldier whose weapon is a rifle

详细解释：

ri.fle.man

n.（名词）
A soldier equipped with a rifle.
步兵：装备有步枪的士兵
A man who shoots a rifle skillfully.
步 * ：射击 * 非常熟练的人