名词
中文翻译：铁路粉
同义词：
['railway dust', 'railwaypowder']
例句：
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1. The trainwas covered in railroad powder after the accident.
事故后，火车上满是铁路粉尘。
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2.The workers were wearing protective gear to avoidgetting railroad powder in their eyes.
工人们戴着防护眼镜以避免吸入铁路粉尘。
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3. Therailway company is responsible for cleaning up therailroad powder left by the trains.
铁路公司负责清理火车留下的铁路粉尘。