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dog days noun

  /ˈdɒɡ deɪz/ , /ˈdɔɡ deɪz/
  • (archaic) The days following the heliacal rising of Sirius, now in early August (Gregorian) at dates varying by latitude.
 猛暑
  • The unpleasantly hot days of late summer.
 熱波
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