由于躺在静止的平面上持续产生的压力，疼痛性溃疡会伴随大面积皮肤脱落，有时露出肌肉，甚至骨头。
Brought about by the constant pressure of lying on a stationary surface, painful ulcers can involve substantial skin loss, sometimes exposing muscle and even bone.
有时几缕头发从紧系着的结里脱落出来，开始打上卷，搭在她的脖子后面，遇到穿堂风便轻轻飘动起来。
Sometimes strands of hair slipped out of the tight knot, began to curl, lay on the back of her neck, and moved gently against it in the draft.
就像你看到的毛脱落了，但有时候是一大簇的毛会脱落。
Like you see, hair comes off, but sometimes large clumps of hair will just fall off.
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