aloneon Basic wordsalso onCEFR Elementary (A2)? CEFR Mastery level (C2)? Band 1 (BND1)? Band 3 (BND3)? 单单,单独的,独自的, 独自地 alone alone(adjective) 单单,单独的,独自的 alone alone(adverb) 独自地 Forms adjectiveadverb alone alone