blow in the bag

动词 v.
中文释义

英文释义

动词 v.
  1. To supply a specimen of breath for alcohol analysis. dated,informal

词形变化

blows in the bag present,singular,third-person blowing in the bag participle,present blew in the bag past blown in the bag participle,past

词源

From the previous use of a plastic bag over the end of a breathalyser, to measure a specific amount of breath.
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