步枪射手

例句：

1. 1. He was a famous rifleman during the Civil War.
   他在内战期间是一位著名的步枪手。
2. 2. The rifleman fired at the enemy from a high position.
   这位步枪手从高处向敌人开火。
3. 3. The rifleman was killed in the battle.
   这位步枪手在战斗中被杀。