胸膛

例句：

1. 1. He put his hand on his chest to catch his breath.
   他用手按在胸口上喘气。
2. 2. She felt a lump in her chest and went to the doctor immediately.
   她感到胸口有块东西，立刻去看医生。
3. 3. The man had a broken rib and was in pain, pressing his chest against the wall.
   那男人肋骨断了，很痛，把胸口抵在墙上。