breech
复数形式
breeches
1
枪尾, 弹膛
the back part of a gun's barrel where bullets are loaded
- The safety procedures required checking the breech first when inspecting the unloaded weapon.
安全程序要求在检查未装弹的武器时首先检查枪膛。
- The malfunction seemed to originate from the breech, so he took the gun to a professional for repair.
故障似乎源于枪膛，因此他将枪带到专业人士那里进行修理。