细颗粒物 / 細顆粒物

xì​kē​lì​wù

fine particulate

fine particles with a diameter of 2.5 micrometers or less (PM2.5), typically discussed in the context of air pollution

减少细颗粒物排放是改善空气质量的关键。

created sense Mar 4, 2026, 02:25 AM