路尘是一个汉语词语，读音是lù chén，是指道路上飞扬的灰尘。
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他带着叮叮铃走了一段路，手上还沾着仙尘。
He had carried Tinker Bell part of the way, and his hand was still messy with the fairy dust.
吹落了思乡的尘，却吹不走额头的纹，走完了天下的路，却忘不了回家的门。妈妈，想你，生日快乐！
Dust blew homesickness, but blow not to walk the forehead lines, covered all over the world, only to forget to go home. Mom, miss you, happy birthday!
本文采用双光路激光系统，对亚麻尘的相对浓度进行了连续测量，具有测量范围宽、 灵敏度好、 抑制激光强度起伏噪声等特点。
The two laser beam system has been used to measure the relative density of linen dust, with the feature of wide measurement range, good sensitivity and restraining the intensity fluctuation noise.
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