docs: def load_abbr(abbr_file=ABBREVIATION_FILE):
      """
      Load the abbr2long from file
      """
      abbr2long = dict()
      with open(abbr_file) as f:
          lines = f.read().split('\n')
          for line in lines:
              m = re.match(r'(\w+)\t(.+)', line)
              if m:
                  abbr2long[m.group(1)] = m.group(2)
      return abbr2long