extraneous

英 [ɪkˈstreɪniəs]

美 [ɪkˈstreɪniəs]

adj.  没有直接联系的; 无关的

TOEFLGRETEM8医学

BNC.21230 / COCA.17572

牛津词典

adj.

• 没有直接联系的；无关的
  not directly connected with the particular situation you are in or the subject you are dealing with
  1. We do not want any extraneous information on the page.
     我们不希望这一页上有任何无关的信息。
  2. We shall ignore factors extraneous to the problem.
     我们应该撇开与此问题无直接联系的因素。

柯林斯词典

• ADJ 无关的；不必要的
  Extraneousthings are not relevant or essential to the situation you are involved in or the subject you are talking about.
  1. We ought not to bring in extraneous matters in trying to find a basis for a settlement...
     我们努力寻求解决问题的基础时，不应该牵扯进无关的事情。
  2. I can choose to ignore these extraneous thoughts or certainly choose not to act on them.
     我可以选择无视这些无关的想法，当然也可以选择不按这些想法行事。

英英释义

adj

• coming from the outside
  1. extraneous light in the camera spoiled the photograph
  2. relying upon an extraneous income
  3. disdaining outside pressure groups
  Synonym:externaloutside
• not essential
  1. the ballet struck me as extraneous and somewhat out of keeping with the rest of the play
• not pertinent to the matter under consideration
  1. an issue extraneous to the debate
  2. the price was immaterial
  3. mentioned several impertinent facts before finally coming to the point
  Synonym:immaterialimpertinentorthogonal
• not belonging to that in which it is contained
  1. water free of extraneous matter
  2. foreign particles in milk
  Synonym:foreign

双语例句

• Procedures have been established to prevent contamination from all extraneous sources.
  需要建立预防所有外来物质污染的程序。
• Although these methods can control and reduce the noise in most measurements, some techniques just prevent noise from entering the system, whereas others remove only extraneous noise from the signal.
  虽然这些方法在大多数测量中能控制和减少噪声，但是一些技术只是防止噪声进入系统，而其他只是去除信号中的外来噪声。
• Filtering out extraneous information is one of the basic functions of consciousness.
  过滤掉无用的信息时人类意识的基本功能之一。
• Extraneous signals that can be confused with the phenomenon to be observed or measured.
  能与被观察或测量现象相混淆的外部信号。
• A question extraneous to the discussion; These two things are related.
  与讨论不相关的问题；这是相互关联的问题。
• We need to be absolutely clear about all this and avoid all extraneous issues.
  我们需要对这一切绝对清楚，避免一切无关的争论。
• All these factors are extraneous to our objectives.
  所有这些因素都和我们的目无关。
• We ought not to bring in extraneous matters in trying to find a basis for a settlement
  我们努力寻求解决问题的基础时，不应该牵扯进无关的事情。
• UML2 modeling helps improve our understanding of underlying systems by enabling us to abstract away extraneous details.
  UML2建模通过使我们从具体的细节过程中抽离出来，来提高对系统的理解能力。
• Cut to the chase and keep it simple by eliminating extraneous words and phrases.
  开门见山，并通过删除不必要的单词和词组来保持简历的简洁。