音标:[ek'streiniәs] ;
a. 外来的, 非必要的, 无关的
[医] 体外的
s. not pertinent to the matter under consideration
s. not essential
s. not belonging to that in which it is contained; introduced from an outside source

考试类型:[托福/GRE]
词性分布:
形容词100%

extraneous的用法和样例:

例句

用作形容词(adj.)
  1. Reductant from an extraneous source is introduced.外来的还原剂被引进来。
  2. Because of the extraneous and uncontrolled factors, those may affect the dependent variable.由于许多外来的无法控制的因素,这些因素可能影响应变因素。
  3. The only extraneous item I may carry is a gift.我带的唯一与旅行无关的物件是礼物。
  4. Extraneous null statements are not always harmless.无关的空语句并非总是无害的。

词汇搭配

  • extraneous factor外界因素,额外因子...
  • extraneous noise外来噪声
  • extraneous root额外根
  • extraneous risks附加险
  • extraneous information额外信息
  • extraneous income额外收入
  • extraneous gas外部气体
  • extraneous water外部水
  • extraneous material外来杂质
  • extraneous wave寄生信号,寄生波,局...
  • extraneous light外部光线
  • extraneous stimulus新异刺激
  • extraneous loss额外损失
  • extraneous reflex新异反射
  • extraneous matter外来杂质,异物...
  • extraneous contamination外来污染
  • extraneous ash外来灰分
  • extraneous interference外来干扰

经典引文

  • An extraneous body can be..easily introduced into their bladder.

    出自:M. Baillie
  • The Low-German dialects were..exposed to extraneous disturbing forces.

    出自:G. P. Marsh
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