left adj.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.
双语例句
The declination course started in the left ventricle prior to the rightventaide. 心室舒张功能的减退左室先于右室。
Left ventriculars structure and cardiac function were observed.Result Both SBP and DBP decreased, HR didn't change, LVMI, IVST, PWT became thinner. 结果治疗后降压效果显著，心率无变化，室间隔厚度，左室后壁厚度及左室重量指数明显降低。
