měi​fěn

gym chalk

  • created sense approved 镁粉/鎂粉 · měi​fěn · gym chalk

    镁粉 / 鎂粉

    měi​fěn

    gym chalk

    magnesium carbonate used as a drying agent for athletes' hands to improve grip

    体操运动员在比赛前通常会在手上涂抹镁粉以防打滑。

    noun

    created sense

  • created sense approved 镁粉/鎂粉 · měi​fěn · magnesium powder

    镁粉 / 鎂粉

    měi​fěn

    magnesium powder

    magnesium metal powder used in pyrotechnics and chemical applications

    烟花中加入镁粉可以产生耀眼的白光。

    noun

    created sense