1. For much of the time he has been on a respirator and has undergone dialysis, in which a machine cleans the blood the way that kidneys should. 2. He also undergoes hemodialysis daily, during which a machine cleans the blood the way the kidneys should. 3. He has also been undergoing hemodialysis daily since Monday, during which a machine cleans his blood the way his kidneys should. 4. He has had to undergo hemodialysis daily, a process in which a machine cleans the blood the way the kidneys should. |
每页显示:
共 4 句