Amer·i·can·ism /əˈmɛrəkəˌnɪzəm, ˈmɚ/
  (a.)美國所創,美國風俗,美國精神
  A·mer·i·can·ism n.
  1. Attachment to the United States.
  2. A custom peculiar to the United States or to America; an American characteristic or idea.
  3. A word or phrase peculiar to the United States.
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  Americanism
       n 1: loyalty to the USA and its institutions
       2: an expression that is characteristic of English as spoken by
          Americans
       3: a custom that is peculiar to the United States or its
          citizens