In the first part of this paper, three new ligands with bis(8-hydroxyquinoline) which were substituted by methoxy, butoxy and octoxy were synthesized by Witting-Horner reaction.是什么意思_In the first part of this paper, three new ligands with bis(8-hydroxyquinoline) which were substituted by methoxy, butoxy and octoxy were synthesized by Witting-Horner reaction.在线翻译_英语_读音_用法_例句