singleon Basic wordsalso onCEFR Elementary (A2)? CEFR Intermediate (B1)? CEFR Upper intermediate (B2)? Academic Vocabulary List (AVL)? Band 2 (BND2)? 单一的,突出的,非凡的, 单程票,(旅馆等的)单人房间 single single(adjective) 单一的,突出的,非凡的 single single(noun) 单程票,(旅馆等的)单人房间 singly singly(adverb) 个别地,各自地,直截了当地,逐一地 Forms adjectivenounadverb single single singly