leftishadj.左倾的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-hand adder高位加法器,左位加法器left morphic ring左morphic环Left adrenal vein左肾上腺静脉Left frontal lobe左额叶left atrial veins左房静脉leftmost sequence最左序列Left renal pelvis左肾盂Left ulnar artery左尺动脉left otitis media左中耳炎left-handed nut左旋螺母