frequenton Intermediatealso onBasic words (BNC)? Academic Vocabulary List (AVL)? Band 2 (BND2)? Band 3 (BND3)? 快速的,时常发生的,频繁的, 常到,常去,时常出入于 frequent frequent(adjective) 快速的,时常发生的,频繁的 frequent frequent(verb) 常到,常去,时常出入于 frequently frequently(adverb) 屡次,时常,经常地,频繁地 infrequently infrequently(adverb) 珍贵地,稀少地 infrequent infrequent(adjective) 稀少的,罕见的 Forms adjectiveverbadverb frequent frequent frequently infrequent infrequently