沙尘

沙尘	shā chén	airborne sand and dust
沙	Shā	surname Sha
沙	shā	granule / hoarse / raspy / sand / powder / CL:粒 / abbr. for Tsar or Tsarist Russia
沙	shà	(dialect) to sift; to sieve
尘	chén	dust / dirt / earth