noun🔗Share 碳， 炭。 The chemical element (symbol C) with an atomic number of 6. It can be found in pure form for example as graphite, a black, shiny and very soft material, or diamond, a colourless, transparent, crystalline solid and the hardest known material."The pencil's lead is made of carbon. "铅笔的笔芯是用碳做的。elementchemistrysubstancematerialscienceessentialChat with AIVocabulary GamePractice Reading
noun🔗Share碳原子，碳。 An atom of this element, in reference to a molecule containing it."A methane molecule is made up of a single carbon with four hydrogens."一个甲烷分子由一个碳原子和四个氢原子构成。elementchemistrysubstanceessentialChat with AIVocabulary GamePractice Reading
noun🔗Share复写纸, 拷贝纸 A sheet of carbon paper."My sister used a carbon to make a copy of her homework assignment. "我妹妹用复写纸复印了一份她的家庭作业。stationerymaterialessentialChat with AIVocabulary GamePractice Reading
noun🔗Share复写纸，副本 A carbon copy."My teacher asked me to bring a carbon copy of my essay to class. "我的老师让我带一份论文的副本到课堂上。stationerywritingcommunicationessentialChat with AIVocabulary GamePractice Reading
noun🔗Share煤，炭。 A fossil fuel that is made of impure carbon such as coal or charcoal."The power plant burned carbon to generate electricity. "发电厂燃烧煤炭来发电。fuelmaterialsubstanceenergyessentialChat with AIVocabulary GamePractice Reading
noun🔗Share碳，二氧化碳。 Carbon dioxide, in the context of global warming and climate change."Increased levels of carbon in the atmosphere are contributing to global warming. "大气中二氧化碳含量的增加正在加剧全球变暖。environmentsciencematerialsubstancechemistryenergyessentialChat with AIVocabulary GamePractice Reading
noun🔗Share碳棒 A carbon rod or pencil used in an arc lamp."The technician used a carbon to create a bright light for the presentation. "技术员用碳棒为演示文稿创造了明亮的光线。materialsubstancechemistrytechnicalphysicselectronicselementessentialChat with AIVocabulary GamePractice Reading
noun🔗Share碳板, 碳棒 A plate or piece of carbon used as one of the elements of a voltaic battery."The voltaic pile used in the science project included a thin carbon plate as one of its components. "这个科学项目使用的伏打电堆包括一片薄碳板作为其中一个组件。elementchemistrymaterialsubstanceessentialChat with AIVocabulary GamePractice Reading
verb🔗Share抄送，碳化 To cause (someone) to receive a carbon copy of an email message."The teacher carboned copied the email about the upcoming field trip to all the parents. "老师把关于即将到来的实地考察的邮件抄送给了所有家长。communicationtechnologycomputinginternetbusinessessentialChat with AIVocabulary GamePractice Reading
