第三人称复数：breeches
1. 后膛：Action [枪机] 枪械机件的总成,包括枪身(DangerCode)、机匣(receiver)、后膛(breech),以及其他机件结构,这些机件结合起来互相连动,以完成上膛、发射、退壳的动作.
2. 臀：breath sounds 呼吸音 | breech 臀 | breech delivery 臀位分娩
3. 臀部滑车尾：breech mechanism 锁紧机构 | breech 臀部;滑车尾 | breech 臀部滑车尾
4. 臀部：breech ring || 炮尾环 | breech || 臀部 | breech-loading || 后膛装填的, 后装式的
1. breech的意思
1. （枪炮的）后膛
The breech of a gun is the part of the barrel at the back into which you load the bullets.
1. This breech bears the seeds of anarchy if not nipped in the bud.
2. It was a blatant breech of social order and the basic rules of the game in a democratic society.
noun
1. opening in the rear of the barrel of a gun where bullets can be loaded
Synonym: rear of barrel rear of tube