noun🔗Share焦耳 In the International System of Units, the derived unit of energy, work and heat; the work required to exert a force of one newton for a distance of one metre. Also equal to the energy of one watt of power for a duration of one second. Symbol: J"Example Sentence: "It takes about one joule of energy to lift a small apple one meter." "大约需要一焦耳的能量才能把一个小苹果举高一米。energyphysicsscienceunittechnicalworkChat with AIVocabulary GamePractice Reading
