pun·gen·cy /ˈpʌnʤən(t)si/
  苦痛,辛辣,刺激
  pun·gen·cy /ˈpənʤənsɪ/ 名詞
  剌激性
  Pun·gen·cy n. The quality or state of being pungent or piercing; keenness; sharpness; piquancy; as, the pungency of ammonia. “The pungency of menaces.”
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  pungency
       n 1: wit having a sharp and caustic quality; "he commented with
            typical pungency"; "the bite of satire" [syn: bite]
       2: a strong odor or taste property; "the pungency of mustard";
          "the sulfurous bite of garlic"; "the sharpness of strange
          spices" [syn: bite, sharpness]