尘封 chénfēng dust seal

尘世 chénshì earthly

尘土 chéntǔ dust

除尘 chúchén dusting

风尘 fēngchén aeolian

红尘 hóngchén red dust

灰尘 huīchén dust

煤尘 méichén grime

吸尘器 xīchénqì vacuum cleaner

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