book是什么意思 音标: 英 [bk] 美 [bk] n. 书, 书籍, 帐簿, 名册, 工作簿v. 登记, 预订[计] 工作簿 n. a written work or composition that has been published (printed on pages bound together)n. physical objects consisting of a number of pages bound togethern. a...