| 释义 |
飘尘piāochén颗粒较小、能够长时间在空中飘浮的灰尘,可以随气流飘到很远的地方,造成大范围污染。{airborne particulate matters; airborne particles; small particles of dust which may be suspended in the air for a long time and drift far away with air currents to cause pollution over a large area} |