smudge /ˈsmʌʤ/
 (vt.)弄髒,使糢糊,用濃煙燻 ;汙點,髒污,為除蟲而升的熏火;(vi.)被弄髒
 smudge
 抗污染力
 smudge
 污染
 Smudge n.
 1. A suffocating smoke.
 2. A heap of damp combustibles partially ignited and burning slowly, placed on the windward side of a house, tent, or the like, in order, by the thick smoke, to keep off mosquitoes or other insects. [U. S.]
 3. That which is smeared upon anything; a stain; a blot; a smutch; a smear.
 Smudge, v. t. [imp. & p. p. Smudged p. pr. & vb. n. Smudging.]
 1. To stifle or smother with smoke; to smoke by means of a smudge.
 2. To smear; to smutch; to soil; to blacken with smoke.
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 smudge
      n 1: a smoky fire to drive away insects
      2: a blemish made by dirt; "he had a smudge on his cheek" [syn:
          spot, blot, daub, smear, smirch, slur]
      v : make a smudge on; soil by smudging [syn: smear, blur, smutch]