Blood alcohol content:
Blood alcohol content (BAC), also called blood alcohol concentration, blood ethanol concentration, or blood alcohol level is most commonly used as a metric of alcohol intoxication for legal or medical purposes.
en.wikipedia.org
血液酒精濃度:
血液酒精浓度 (BAC), 是用于法律或医学目的度量酒精中毒的指标。
zh.wikipedia.org
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Blood alcohol content血液酒精濃度