book the book为什么第一个book的意思是预定呢?它为什么是动词呢?它不是一直是名词吗?

book the book为什么第一个book的意思是预定呢?它为什么是动词呢?它不是一直是名词吗?
book the book为什么第一个book的意思是预定呢?
它为什么是动词呢?它不是一直是名词吗?

book the book为什么第一个book的意思是预定呢?它为什么是动词呢?它不是一直是名词吗?
book [buk]
　　n. 书, 书籍, 帐簿, 名册, 工作簿
　　vt. 登记, 预订
　　vi. 登记, 预订
　　[计] 工作簿
　　[经] 帐本, 注册, 挂号; 登记入册, 预定
　　book1
　　/ buk; bʊk/ n
　　[C] (a) number of printed or written sheets of paper bound together in a cover 书; 书籍: a leather-bound book 皮面装订的书. (b) written work or composition, eg a novel, a dictionary, an encyclopedia, etc 着作: writing/reading a book about/on Shakespeare 写[读]关於莎士比亚的书.
　　[C] number of blank or lined sheets of paper fastened together in a cover and used for writing in 簿; 本子: Write the essay in your (exercise-)books, not on rough paper. 把文章写在练习簿里, 不要写在草稿纸上.
　　books [pl] written records of the finances of a business; accounts 帐簿: do the books, ie check the accounts 查帐 * The company's books are audited every year. 这家公司的帐目每年都核对.
　　[C] number of similar items fastened together in the shape of a book 装订成书本形的同类物品: a book of stamps/tickets/matches 一沓邮票[票/火柴].
　　[C] any of the main divisions of a large written work （大型着作的）卷, 篇, 部: the books of the Bible 《圣经》中的记、 书.
　　[sing] words of an opera or a musical; libretto （歌剧的）歌词, 脚本.
　　[C] record of bets made, eg on a horse race 赌注登记（如赌马等）: keep/make/open a book (on sth), ie take bets (on a match, race, etc) 接受赌注（在比赛、 赛马等项目中）.
　　the book [sing] telephone directory 电话号码簿: Are you in the book? 电话簿里有你的电话号码吗?
　　(idm 习语) be in sb's good/bad `books (infml 口) have/not have sb's favour or approval 得到[得不到]某人的好感或赞许: You'll be in the boss's bad books if you don't work harder. 工作不努力, 老板对你就没有好感. bring sb to `book (for sth) require sb to give an explanation (of his behaviour) 要求某人（对其行为）作出解释: bring a criminal to book 盘问犯人. by the `book (infml 口) strictly according to the rules 严格按照规章办事: He's always careful to do things by the book. 他总是小心翼翼地按规章办事. a closed book => close4. cook the books => cook. every/any trick in the book => trick. (be) on the books of sth (be) employed as a player by a football club 受雇於足球俱乐部作运动员: He's on Everton's books. 他受雇於埃弗顿足球俱乐部. an open book => open1. read sb like a book => read. suit one's/sb's books => suit2. take a leaf out of sb's book => leaf. throw the book at sb (infml 口) remind sb forcefully of the correct procedure to be followed in some task (and perhaps punish him for not following it) 警告某人须按规定办事（否则可能受处分）.
　　# `bookbinder [C], `bookbinding [U] ns (person whose job is) putting covers on books 装订（工人）.
　　`bookcase n piece of furniture with shelves for books 书橱; 书柜.
　　`book club club which sells books at a reduced price to members who agree to buy a minimum number 购书会（会员购书不少於一定数量可获折扣）.
　　`book-end n (usu pl 通常作复数) either of a pair of supports to keep books upright 书立; 书挡; 书靠.
　　`bookkeeper [C], `bookkeeping [U] ns (person whose job is) recording business transactions 簿记（员）.
　　`bookmaker (also infml 口语亦作 bookie) [C], `book-making [U] ns (person whose job is) taking bets on horse races, etc 接受赛马等赌注（为业者）.
　　`bookmark (also `bookmarker) n strip placed betweenthe pages of a book to mark the reader's place 书签.
　　`bookmobile / -məubiːl; -ˋmobil/ n (esp US) vehicle used as a travelling library 用作流动图书馆的车.
　　`book-plate n piece of paper, usu with a printed design, pasted in a book to show who owns it 藏书票（贴在书中作藏书者标志, 通常印有图案）.
　　`bookseller n person whose job is selling books 书商.
　　`bookshop (US also `bookstore) n shop which sells mainly books 书店.
　　`bookstall n (US `news-stand) stall or stand at which books, newpapers and magazines are sold 书摊.
　　`book token voucher that can be exchanged for books of a given value 书券: a 10 book token 一张10英镑的书券.
　　`bookworm n
　　1 grub that eats holes in books 书虫; 蠹鱼.
　　2 (fig 比喻) person who is very fond of reading books 极其喜欢读书的人; 书迷: She's a bit of a bookworm. 她可算是个书迷.
　　book2
　　/ buk; bʊk/ v
　　(a) [I, Tn, Tn.p] ~ sth (up) reserve (a place, accommodation, etc); buy (a ticket, etc) in advance 预订（位子, 膳宿等）; 预购（票等）: Book early if you want to be sure of a seat. 要想十拿九稳有个座位, 那就早订座. * book a hotel room, a seat on a plane 预订旅馆房间、 飞机座位 * I'd like to book three seats for tonight's concert. 我想预订今晚音乐会的三个座位. * The hotel/performance is fully booked (up), ie There are no more rooms/tickets available. 这家旅馆的房间[这次演出的票]全预订出去了. (b) [Tn.pr] ~ sb on sth reserve a place, ticket, etc for sb on (a plane, etc) 为某人预订（飞机等的）座位、 票等: We're booked on the next flight. 我们预订了下一班的机票. (c) [Tn] engage or hire (sb) in advance 预约或雇用（某人）: We've booked a conjuror for our Christmas party. 我们为圣诞节的聚会预约了一位魔术师.
　　[Tn] (infml 口) enter the name of (sb) in a book or record, esp when bringing a charge 将（某人）的姓名记在本子上或记录内（尤指控告）: The police booked me for speeding. 警方因我超速行车把我的姓名记了下来. * He was booked by the referee for foul play. 他因为动作犯规而被裁判记下姓名.
　　(phr v) book in register at a hotel, an airport, etc （在旅馆、 机场等处）登记. book sb in make a reservation for sb (at a hotel, etc) 为某人预订（旅馆房间等）: We've booked you in at the Plaza for two nights. 我们为你在普拉扎旅馆预订了两夜的房间.
　　> bookable adj that can be reserved 可预订的: All seats are bookable in advance. 所有的座位都可以预订.
　　booking n [C, U] (esp Brit) (instance of) reserving seats, etc in advance; reservation 预订; 预定: a block booking 集体预订 * We can't accept any more bookings. 我们不能再接受任何预订了. * She's in charge of booking(s). 她主管预订业务. `booking-clerk n (esp Brit) person who sells tickets, eg at a railway station 售票员. `booking-office n (esp Brit) office where tickets are sold 售票处.