1. She was confined to bed and developed a painful bedsore.
她卧床不起，出现了痛苦的床疮。

2. Proper care and frequent repositioning can help prevent the development of bedsores.
适当的护理和经常换位可以预防床疮的发生。

3. The patient was provided with a specialized cushion to alleviate the pressure on his back and prevent bedsores.
给予病人专门的垫子，减轻对背部的压力，预防床疮产生。