cartridge receiver

例句：

1. 1. The gun was designed with a cartridge receiver that can accommodate multiple rounds.
   这把枪设计有可以容纳多颗子弹的弹匣。
2. 2. The soldier used his pistol to fire at the enemy, relying on the cartridge receiver's ability to hold more ammunition.
   士兵用他的手枪向敌人射击，依靠弹匣能容纳更多弹药的能力。
3. 3. The new rifle features a removable cartridge receiver, making it easier to clean and maintain.
   这款新步枪采用可拆卸的弹匣接收器，便于清洁和维护。