落尘
luò​chén

dust fall

  • created sense approved 落尘/落塵 · luò​chén · dust fall

    落尘 / 落塵

    luò​chén

    dust fall

    Atmospheric particulate matter or dust that settles onto the ground or surfaces.

    这种精密仪器需要存放在没有任何落尘的实验室中。

    noun

    created sense

  • created sense approved 落尘/落塵 · luò​chén · fallout

    落尘 / 落塵

    luò​chén

    fallout

    Radioactive or volcanic debris that descends through the atmosphere following an explosion or eruption.

    核事故产生的放射性落尘对周边环境造成了长期影响。

    noun

    created sense