Read Edit View history 颗粒物 kēlìwù particulate matter Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 颗粒物/ 顆粒物 kēlìwù particulate matter particulate matter (PM) 这些传感器可以实时监测空气中的颗粒物浓度。 Edit Delete References Add reference No references for this word.