细颗粒物細顆粒物

xì kē lì wù

Meaning

fine particle (PM 2.5); fine particulate matter (air pollution etc)

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Characters

细xìfine, detailed; slender, thin纟田颗kēgrain, kernel果页粒lìgrain, granule; bullet, pellet米立物wùthing, substance, matter; creature牛勿