It's packed with miniature sensors that monitor the most important pollutants in the air around you, like nitrogen oxides, the exhaust gas from cars, or particulate matter that gets into your bloodstream and creates strokes and heart issues.

它装有微型传感器，可监测您周围空气中最重要的污染物，例如氮氧化物、汽车尾气或进入您血液并导致中风和心脏问题的颗粒物。