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carbons的音标：carbons的英式发音音标为：['kɑ:bənz]carbons的美式发音音标为：['kɑbənz]...
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She typed an original and two carbons.她用打字机打出了原件及两份副本.He inserted the paper and two carbons.他放入了那张纸和两张复写纸。Isolable carbocyclic compounds contain seven or fewer carbons in the cycle.可分离的碳环化合物环内含七个或七个以下的碳....
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Ordered mesoporous carbons possess good conductivity, strong framework and high surface areas , showing great adsorptioncatalysis.介孔碳材料具有良好的导电性 、 很强的骨架刚性以及大的比表面积.He inserted the paper and two carbons.他放入了那张纸和两张复写纸。The va...