胸墙

例句：

1. 1. The soldiers had to builda chest wall to protect themselves from theenemy's fire.
   士兵们不得不建造一个胸墙来保护自己免受敌人的炮火。
2. 2. Theold castle has a beautiful chest wall thatadds to its charm.
   这座古老的城堡有一个美丽的胸墙，增添了它的韵味。
3. 3. Theengineer carefully designed the chest wall to withstand the pressure of the heavy rain.
   工程师仔细设计了胸墙，以承受大雨的压力。