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1. Dialysis is the process of removing waste products from the body through a machine that filters outsubstances in the bloodstream.
透析是通过机器过滤血液中的废物来从身体中去除的过程。
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2. Dialysis machines are used to treat patients with kidney failure who cannot produce enough urine on their own.
透析机用于治疗无法自行产生足够尿液的肾脏衰竭患者。
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3. During dialysis, the patient's blood is pumped through a special membrane, which allows waste products to pass through but not nutrients.
在透析期间，患者的血液通过一种特殊的膜被泵送，允许废物通过但不允许营养物质通过。