我愿是一块轻柔的纱巾，为老师擦去汗水和灰尘；我愿是一束夜来香，和星星一起陪伴在老师身旁。

I wish to be a soft handkerchief so as to wipe the sweat and dust from my teacher; I also wish to be a bouquet of Cordate Telosma so as to accompany my teacher at night.

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在大约零下230华氏度的气温下，由下而上吹起或从太空落下的灰尘为水汽提供了凝缩冻结的停留地点。

At temperatures around minus 230 degrees Fahrenheit, dust blowing up from below or falling into the atmosphere from space provides a resting spot for water vapor to condense and freeze.

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例如令烟道内的气体通过带有不同电荷的金属板从而去除一些灰尘颗粒，因为这些从熔炉散发出的浓密毒烟为业内所共知。

Small particles of ash, for example, are normally removed by forcing the flue gases, as the fumes from the furnace are known in the trade, between electrically charged plates.

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