| 单词 | blood alcohol concentration |
| 释义 | blood alcohol concentration blood alcohol concentration n.Abbr. BAC（名词）缩写 BACThe concentration of alcohol in the blood, expressed as the weight of alcohol in a fixed volume of blood and used as a measure of the degree of intoxication in an individual. The concentration depends on body weight, the quantity and rate of alcohol ingestion, and the rates of alcohol absorption and metabolism.Also called blood alcohol level 血液酒精浓度：血液中的酒精浓度，表示血液中酒精的含量，以测量一个人酒醉程度。该浓度大小取决于体重、喝酒的量和速度，以及酒精吸收和新陈代谢的速度也作 blood alcohol level |
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