病身

例句：

1. 1. He was in bed witha serious illness for several weeks.
   他因重病卧床数周。
2. 2. Thedoctor advised him to restand recover from his illness.
   医生建议他休息并从疾病中恢复过来。
3. 3. She felt better after taking somemedicine and resting her ailing body.
   她吃了一些药，休息了一下生病的身体后感觉好多了。