短语词组短語Covalent t Bonds 共價鍵Nonpolar covalent bonds 非極性共價鍵Multiple Covalent Bonds 多重共價鍵Saturation of covalent bonds 共價鍵的飽和Coordinate covalent bonds 共價配鍵;配位共價鍵Polar Covalent Bonds 極性共價鍵Carbon - Covalent Bonds 碳碳單鍵 返回 covalent bonds