友情提醒：点击  ，可以收听真人发音
positive ['pɔzətiv]    添加到生词本 复制网址
基本释义
  • a. 确实的,明确的;积极的,肯定的;正的,阳性的;完全的十足的
    n. 正片
词形变化
  • 名　词：pos'i·tive·ness, pos'i·tiv'i·ty
    副　词：pos'i·tive·ly
常用短语
    1. positive charge
      n.[电]正电荷,阳电荷
    2. positive chemotaxis
      正趋化性
    3. positive correlation
      正相关
    4. positive feedback
      正反馈
    5. positive pole
      n.[物]正极,阳极
    6. positive reinforcing stimulus
      阳性强化刺激
参考例句
    1. A positive test for pregnancy.
      验孕呈阳性反应
    2. These two factors form a positive cycle.
      这二者形成了良性循环。
    3. The prosecutor had positive proof of the defendant's guilt.
      起诉人掌握有证明被告有罪的确凿证据
    4. Positive tropism.
      向刺激方向运动的属性
    5. The number of positive numbers is infinite.
      正数的数目是无穷的。
英英解释

  • 　1个名词解释

    1. a film showing a photographic image whose tones correspond to those of the original subject

    　11个形容词解释

    1. characterized by or displaying affirmation or acceptance or certainty etc.
      [反] negative, neutral
      [例]
      • a positive attitude
      • the reviews were all positive
      • a positive benefit
      • a positive demand
    2. having a positive electric charge
      [同] electropositive, positive
      [反] electronegative, electroneutral, negative, neutral
      [例]
      • protons are positive
      3. show all ... ( 11 )