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carbon

英 [ˈkɑːbən]

美 [ˈkɑːrbən]

n.  碳; 复写纸

复数:carbons 

高考CET4CET6考研TOEFLIELTSTEM4TEM8化学

Collins.3 / BNC.3062 / COCA.3004

牛津词典

    noun


    • a chemical element. Carbon is found in all living things, existing in a pure state as diamond, graphite and buckminsterfullerene .

      1. a chemical element. Carbon is found in all living things, existing in a pure state as diamond, graphite and buckminsterfullerene .
        1. 复写纸
          a piece of carbon paper

          柯林斯词典


          • Carbonis a chemical element that diamonds and coal are made up of.
            1. N-COUNT 复写纸
              Acarbonis a sheet of carbon paper.
              1. He inserted the paper and two carbons.
                他放入了那张纸和两张复写纸。

            英英释义

            noun

            • a copy made with carbon paper
                Synonym:carbon copy
              1. an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond
                  Synonym:Catomic number 6
                1. a thin paper coated on one side with a dark waxy substance (often containing carbon)
                    Synonym:carbon paper

                  双语例句

                  • Plants and trees filter carbon dioxide out of the air and produce oxygen.
                    花草树木会过滤掉空气中的二氧化碳并制造氧气。
                  • Plants absorb carbon dioxide from the air and moisture from the soil
                    植物从空气中吸收二氧化碳并从土壤中汲取水分。
                  • Organic compounds contain carbon in their molecules.
                    有机化合物的分子中含碳。
                  • Carbon, hydrogen and oxygen combine chemically to form carbohydrates and fats
                    碳、氢、氧化合形成碳水化合物和脂肪。
                  • Methane is often regarded as the second most important greenhouse gas after carbon dioxide.
                    甲烷常被认为是仅次于二氧化碳的重要温室气体。
                  • Dissolved carbon dioxide makes the water more acidic.
                    二氧化碳溶解后能使水的酸性增加。
                  • A methane molecule is composed of one carbon atom attached to four hydrogens.
                    甲烷分子由1个碳原子与4个氢原子构成。
                  • Diamond is the crystalline form of the element carbon.
                    钻石是碳元素的晶体结构。
                  • The two principal combustion products are water vapor and carbon dioxide.
                    两种主要的燃烧产物是水蒸气和二氧化碳。
                  • We all need to look for ways to reduce our carbon footprint.
                    我们都需要寻求降低碳排放量的方法。