lefthandadj.左手的(用左手的；靠左行驶)leftadj.左边的adv.向左n.左边；左派分子；【体】左手拳动词leave的过去式和过去分词形式.left ventricular dysfunction左心室功能紊乱Left external auditory canal左外耳道Left upper parathyroid gland左上甲状旁腺left ventricular vent canula左心室有孔套管Left bundle branch hemiblock左束支传导阻滞left ventricular hypertrophy左心室肥大,左室肥大left internal mammary artery左乳内动脉Left external carotid artery左颈外动脉left ventricular synchronism左心室同步性Left Click Reverse Face Tool左键单击反转表面工具