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acridity n.1.辣,苦。2.狠毒,刻毒。

acriflavine

Bitter . taste that causes an unpleasant and persistent sensation of acridity in the mouth due , in particular , to certain polyphenols 苦的:一種引起口腔持久苦感的不適味道,特別由多酚等物質引起。