leden.引子；开场白ledv.引导；领先；带领（动词lead的过去式和过去分词）abbr.发光二极管(=light emitting diode)Lederfoline甲酰四氢叶酸钙, 叶醛酸钙, 醛氢叶酸钙, 甲叶钙[甲氨蝶呤解毒药]Ledoyerellan.莱氏钩虾属ledixanthin喇叭茶色素Ledergerber莱德格贝尔led captainn.追随者；拍马者Leddel alloy莱登锌合金Leduc effect磁致温差效应ledoxantrone来多蒽琼<抗肿瘤药>Ledertrexate氨甲蝶呤led off withv.始于(把 ... 放在前面)