irritant

irritant
noun
  1. a substance that causes slight inflammation or other discomfort to the body
    刺激物;刺激剂
    ■(figurative)a thing that is continually annoying or distracting
    (喻)刺激;心头之痛;眼中钉
    in 1966 Vietnam was becoming an irritant to the government.
    1966年越南成了政府的心头之痛。
adjective
  1. causing slight inflammation or other discomfort to the body
    会引起发炎的;有刺激性的
派生
irritancy
noun
英语宝典
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