另一个极端情况，法国要求驾驶员在驾驶时随时携带便携式酒精测定仪。
On the other end of extreme, France requires its drivers to carry a portable breathalyzer at all times when driving a car.
与此同时，日产汽车正在测试一款类似酒精测定计的仪器，司机在启动汽车前必须朝着该仪器吹气。
Nissan, meanwhile, is testing a breathalyser-like device into which the driver must blow before starting the car.
就在50年前，一个名不见经传的法医学家罗伯特·布洛根斯坦因发明了酒精测定计，使得人们可以通过呼出的气体迅速分析血液中的酒精含量。
JUST over 50 yearsago Robert Borkenstein, then a little-known forensic scientist, invented thebreathalyser, allowing instant analysis of alcohol levels in the blood from asample of breath.
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