Read Edit View history 颗粒物 kēlìwù particulate matter Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 颗粒物/顆粒物 · kēlìwù · particulate matter 2026/03/04 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。 created sense Mar 4, 2026, 02:25 AM