bookon Basic wordsalso onCEFR Beginners (A1)? CEFR Elementary (A2)? CEFR Intermediate (B1)? CEFR Upper intermediate (B2)? CEFR Mastery level (C2)? Band 1 (BND1)? Band 2 (BND2)? 书本,籍, 预约,预订 booklets booklets(noun) 小册子(booklet的复数形式) books books(noun) 书籍(book的复数),书评 books books(verb) 把…记载入册,预订,领会(book的第三人称单数) book book(noun) 书本,籍 book book(verb) 预约,预订 booklet booklet(noun) 小册子 Forms nounverb booklets books books book book booklet