单词	grecian pitch
释义	grecian pitch 希腊式屋面坡度
随便看	covalent backbone covalent binding covalently bond covalently bonded network Covalently bonding covalent bond Covalent-bond covalent bond band covalent bonded material covalent bond graft covalent bond grafting covalent bond immobilized covalent bonding covalently bound bilirubin covalently bound surface modifying agent covalently chemical functionalized covalently close circular DNA covalently closed circle Covalently closed circularDNA covalent bonds covalent carbide covalent catalysis covalent chromatography covalent closed circle DNA covalent closed circular DNA