Leftose溶菌酶(粘多糖分解酶)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 bottom左翻犁体left curly bracket左波形括号left-hand system左手系leftmost-outmost[计] 最左最外left-hand spring左旋弹簧left lumbar region左腰部left exact functor左正合函子left sacroanterior左骶前位(胎位)left jugular trunk左颈干left atrial rhythm左房心律

1. He smote his match to the ground with a left hook.
   他以一记左钩拳把对手击倒在地。