Leftern.莱夫特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 the fieldv.上阵(开始比赛)left mesocolon右侧结肠系膜Left periphery句子左边缘Left-Alignedadj.左对齐的left justified左侧调整,左对齐left and right左右left congruent左迭合的left hand worm左旋蜗杆left recursive[计] 左递归left lower leg左下腿