code: public static long[] getLexemeArray(List<CommonSynonymDictionary.SynonymItem> synonymItemList)
      {
          long[] array = new long[synonymItemList.size()];
          int i = 0;
          for (CommonSynonymDictionary.SynonymItem item : synonymItemList)
          {
              array[i++] = item.entry.id;
          }
          return array;
      }
docs: 获取语义标签
  @return