breech

• 名词，指枪炮枪管或炮管后部的开口，弹药由此装入；也可指枪炮的尾部或后膛部分。

A noun referring to the opening at the rear of a gun barrel where ammunition is loaded.

1. Rear part of a gun barrelC1formal

   The opening at the back end of a firearm's barrel where ammunition is loaded.

   枪管后膛

   • The soldier opened the breech to load the next round.
   • A breech-loading weapon allows faster reloading than a muzzleloader.
   • The gun's breech mechanism jammed during the test.

   反义词muzzle