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HA

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Ha \Ha\ (h[add]), interj. [AS.]
   An exclamation denoting surprise, joy, or grief. Both as
   uttered and as written, it expresses a great variety of
   emotions, determined by the tone or the context. When
   repeated, ha, ha, it is an expression of laughter,
   satisfaction, or triumph, sometimes of derisive laughter; or
   sometimes it is equivalent to ``Well, it is so.''

         Ha-has, and inarticulate hootings of satirical rebuke.
                                                  --Carlyle.

資料來源 : WordNet®

HA
     n : (astronomy) the angular distance of a celestial point
         measured westward along the celestial equator from the
         zenith crossing; the right ascension for an observer at a
         particular location and time of day [syn: {hour angle}]
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