rehabilitating of tank

例句：

1. 1.After the surgery, he was rehabilitating in a hospital bed.
   手术后，他在医院的病床上康复。
2. 2. The old man's leg was badly injured and needed extensive rehabilitating.
   老人的腿严重受伤，需要进行广泛的康复治疗。
3. 3.The patient's condition improved significantly after several weeks of rehabilitating.
   经过几周的康复治疗后，患者的病情显著好转。