dialysis

IPA/ˌdaɪˈæləsɪs/
KK[daɪˈæləsəs]IPA/ˌdaɪˈæləsɪs/

dialysis — 名詞

1. medical treatment that cleans waste from a person's blood and keeps fluid and sa

1.名詞B2
釋義

洗腎

腎衰竭時替血液清除廢物的治療

medical treatment that cleans waste from a person's blood and keeps fluid and salt levels steady when the kidneys can no longer do this job well enough

例句

After both kidneys failed, Eli started dialysis three evenings a week.

Eli 在兩個腎臟都衰竭後，開始每週三個晚上洗腎。

collocation: start dialysis

The nurse checked Tariq's blood pressure before dialysis began this morning.

護理師今天早上在洗腎開始前，先量了 Tariq 的血壓。

pattern: before dialysis began

同義詞
  • hemodialysis

    the common machine-based type in which blood is cleaned outside the body

  • renal replacement therapy

    formal umbrella term covering dialysis and other ways of doing the kidneys' job

文法句型

start dialysis

have dialysis

be on dialysis

need dialysis

用法筆記

Most often heard in talk about kidney failure. Patients usually 'have dialysis', 'start dialysis', or 'be on dialysis' rather than naming the exact type of machine or method.

常見錯誤

❌My uncle does dialysis every Tuesday.
✅My uncle has dialysis every Tuesday.
💡patients have or undergo dialysis; they do not perform it themselves.

2. a laboratory method that separates dissolved substances because some particles m

2.名詞C1
釋義

透析法

藉薄膜分離溶液成分的實驗方法

a laboratory method that separates dissolved substances because some particles move through a thin membrane faster than others

例句

The lab used dialysis to separate the blue dye from salt water.

實驗室用透析法把藍色染料從鹽水中分開。

pattern: use dialysis to separate [substances]

During dialysis, small waste particles moved through the thin membrane first.

在透析法中，較小的廢粒子會先穿過那層薄膜。

pattern: particles move through the membrane

同義詞
  • membrane separation

    broader technical term for methods that separate substances with a membrane

  • desalting

    used when dialysis specifically removes small salts from a larger dissolved substance

文法句型

use dialysis to separate [substances]

remove salt by dialysis

dialysis through a membrane

用法筆記

Common mainly in chemistry and biology writing. The material being separated is usually a liquid mixture, and the contrast is often with ordinary filtering.

常見錯誤

❌We filtered the liquid by dialysis in five minutes.
✅We separated the liquid by dialysis overnight.
💡dialysis is a membrane process and is usually slower than ordinary filtering.