Wish everyone to learn words with joy!

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Across
  1. 4. in addition
  2. 6. say publicly or officially
  3. 10. be more than a particular number or amount
  4. 11. a very important part of a system
  5. 12. the possibility that sth. will happen
  6. 14. boring and not interesting
Down
  1. 1. accurate, clear, and correct
  2. 2. interesting, attractive, and absorbing
  3. 3. support or encourage sth.
  4. 5. very serious and sincere
  5. 7. have a strong dislike of sth. or sb.
  6. 8. continue to exist
  7. 9. recognize the difference between things
  8. 13. a period of time between two dates
  9. 15. stupid