单词	bittering agent
释义	bittering agent noun : an ingredient added to a substance to give it a bitter flavor The Sumerians flavored their beer with honey, while Europeans flavored and preserved their beer with a bittering agent such as hops. Bill Yenne, The American Brewery, 2003 Some pesticide makers thought putting a bittering agent into the poisons would make rats less likely to eat the products … Robert McClure, MSNBC.com, 22 Dec. 2010 The vast majority of automotive antifreeze contains ethylene glycol, though some contains a bittering agent to eliminate the sweet taste. Steven Cole Smith, Orlando Sentinel, 15 Apr. 2011 Word History First Known Use 1895, in the meaning defined above
随便看	specl speclst specs spect spectable spectacle spectacle clew spectacle coot spectacle frame spectacle furnace spectacle iron spectacle pod spectacle stone spectacled spectacled bear spectacled caiman spectacled cobra spectacled coot spectacled dolphin spectacled duck spectacled eider spectacled goose spectacled pelican spectacled warbler spectacleless

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