n.[医]卧姿；褥疮
In fact, so-called "pressure ulcers" or "decubitus ulcers" can form on skin over bony prominences in persons who are bedridden for an extended time. 事实上，我们所说的压疮或褥疮形成于骨较突出的皮肤部位，常见于长期卧床病人。
