友情提醒：点击  ，可以收听真人发音
joule [dʒaul]    添加到生词本 复制网址
基本释义
  • n. 焦耳
英英解释

  • 　2个名词解释

    1. a unit of electrical energy equal to the work done when a current of one ampere passes through a resistance of one ohm for one second
      [同] j, joule, watt second
    2. English physicist who established the mechanical theory of heat and discovered the first law of thermodynamics (1818-1889)
      [同] james prescott joule, joule