adulterated
  摻入次級品的
  A·dul·ter·ate v. t. [imp. & p. p. Adulterated p. pr. & vb. n. Adulterating ]
  1. To defile by adultery. [Obs.]
  2. To corrupt, debase, or make impure by an admixture of a foreign or a baser substance; as, to adulterate food, drink, drugs, coin, etc.
     The present war has . . . adulterated our tongue with strange words.   --Spectator.
  Syn: -- To corrupt; defile; debase; contaminate; vitiate; sophisticate.
  adulterated
       adj : mixed with impurities [syn: adulterate, debased]