Breathalyzer (chiefly US) trademark
or British Breathalyser /ˈbrɛθəˌlaɪzɚ/ Breathalyzer (chiefly US)
trademark
or British Breathalyser /ˈbrɛθəˌlaɪzɚ/ Learner's definition of BREATHALYZER
— used for a device that police use to test someone's breath in order to measure how much alcohol is in that person's blood（测量血液中酒精含量的）呼气测醉器，呼气酒精检测仪