这些粒子带电并附着于我们所呼吸空气中的浮质、灰尘及其它粒子。
These particles are electrically charged and attach to aerosols, dust and other particles in the air we breathe.
1982年一架英航的飞机遭遇了印尼火山爆发并穿越布满灰尘的云层，四个引擎都停止了工作。
In 1982 a BA flight hit a cloud of ash over an Indonesian volcano and all four engines stopped.
烧煤是一件危害极大的事，释放各种有毒金属，并导致潜在的致命灰尘。
Burning coal is nasty business, concentrating all kinds of toxic metals and resulting in potentially deadly fly ash.
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