best

on Basic words

also on

• CEFR Beginners (A1)?
• CEFR Elementary (A2)?
• CEFR Intermediate (B1)?
• CEFR Mastery level (C2)?
• Academic Vocabulary List (AVL)?
• Band 1 (BND1)?
• Band 2 (BND2)?
• Band 3 (BND3)?

• betterment

  betterment

  (noun)

  avance,mejora

Forms

noun
betterment