Leftere莱夫特雷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-handed window左开窗left sub antia nigra左侧黑质left-footed player惯用左脚的队员left coronary lesion左冠状动脉病变left - wing writer左翼作家left-brain learner左脑型left splice junctionsplice donorleft atrial diameter左房内径left-hand airscrew左旋螺旋桨Left parietal pleura左胸膜壁层