leftoffadj.不用的(脱掉的)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 rear cover左后盖left hand helix左向螺旋线left-hand hob左旋滚刀left well alonev.不要去管它(听其自然)left parametrix左拟基本解left half court左半区Left Bank Group左岸派left rear wheel左后轮left truncation[计] 左截断Left vocal cord左声带