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radical ['rædikl]    添加到生词本 复制网址
基本释义
  • n. 激进分子,语根,基础
    a. 激进的,根本的,基本的,根的
词形变化
  • 时　态：root·ed, root·ing, roots
    名　词：root'er
常用短语
    1. alkyl radical
      烷基
    2. free radical
      自由基，游离基
    3. methyl radical
      甲基
    4. methylene radical
      亚甲基
    5. radical hysterectomy
      根治性子宫切除术，子宫根治性切除术
    6. radical mastectomy
      根治性乳房切除术
    7. radical sign
      n.[数]根号
    8. alcohol radical
      【医】 醇基
    9. benzyl radical
      【化】 苄基
参考例句
    1. presented their radical ideas in the garb of moderation.
      在温和外衣后面表现了他们的激进观点
    2. Having one replaceable atom or radical.
      一元的有一个可置换原子或原子团的
    3. A radical republican during the French Revolution.
      雅各宾党人法国大革命中激进的民主分子
    4. A univalent organic radical,C2H5.
      乙基一种一价烃基的
    5. Radicals seeking to overthrow the social order.
      企图扰乱社会次序的激进分子
英英解释

  • 　6个名词解释

    1. (chemistry) two or more atoms bound together as a single unit and forming part of a molecule
      [同] group, radical, chemical group
    2. an atom or group of atoms with at least one unpaired electron; in the body it is usually an oxygen molecule than has lost an electron and will stabilize itself by stealing an electron from a nearby molecule
      [同] free radical, radical
      [例]
      • in the body free radicals are high-energy particles that ricochet wildly and damage cells
      3. show all ... ( 6 )

    　5个形容词解释

    1. of or relating to or constituting a linguistic root
      [例]
      • a radical verb form
    2. especially of leaves; located at the base of a plant or stem; especially arising directly from the root or rootstock or a root-like stem
      [同] basal, radical
      [反] cauline
      [例]
      • basal placentation
      • radical leaves
      3. show all ... ( 5 )