Left ear左耳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 DECAY SOLENOID CONTROL左后衰减电磁螺线管控制left-side completely reducible左完全可约left ventriculo-aortic conduit左室-主动脉通道left ventricular cineangiography左心室电影造影术Left ventricular myocardial mass左室心肌质量Left supraclavieular lymph nodes左锁骨上淋巴结left anterior oblique projection左前斜位投照Left lateral anal sphincterotomy肛门左外侧括约肌切开术left-hand electromagnetic wave左性电磁波left free wall accessory pathway左侧游离壁附加通道

1. Don't forget to signal before making a left turn.
   左转弯的时候不要忘记示意。