Of those patients who tested positive for alcohol (n = 21), the mean blood alcohol concentration was 211.2 mg/dL (standard deviation, 79.1).是什么意思_Of those patients who tested positive for alcohol (n = 21), the mean blood alcohol concentration was 211.2 mg/dL (standard deviation, 79.1).在线翻译_英语_读音_用法_例句