carbonKK [ˋkɑrbən] /ˈkɑɹbən/发音名词1碳化学Diamond and graphite are both pure forms of carbon.钻石和石墨都是碳的纯粹形态。2碳排放、二氧化碳环保The company promised to cut its carbon by half within ten years.这家公司承诺十年内将碳排放减半。3复写纸、复写副本旧式She kept a carbon of every letter she typed that year.那一年她打的每封信都留了一份复写副本。用这个字练口说→