letter noun ⇨letter (send a letter)⇨number2 (the letters of the alphabet)
letter
noun
letter ♦︎ message ♦︎ email ♦︎ mail ♦︎ note ♦︎ memo ♦︎ fax ♦︎ text ♦︎ post ♦︎ communication ♦︎ correspondenceThese words all mean sth that you write and send to sb in order to communicate with them.这些词均表示信函、邮件。PATTERNS AND COLLOCATIONS 句型和搭配◆a letter / a message / an email / mail / a note / a memo / a fax / a text / post / a communication / correspondence from / to sb◆(a) personal / private letter / message / email / mail / note / communication / correspondence◆a brief letter / message / email / note / memo / communication◆(a) business letter / email / mail / memo / correspondence◆a thank-you letter / message / email / note◆to send / receive a letter / a message / an email / mail / a note / a memo / a fax / a text / post / a communication / correspondence◆to write a letter / a message / an email / a note / a memo◆to open a letter / a message / an email / the mail / the post◆a letter / a message / an email / the mail / a fax / the post arrives■letter [countable] a piece of text that you write on paper and send to sb, usually in an addressed envelope, in order to tell them sth信；函◆You should include a covering letter with your CV.寄简历时应该附上求职信。◆They wrote a letter of complaint to the television network.他们给电视台写了一封投诉信。◆You will be notified by letter.你将会收到信函通知。◆ (BrE) to post a letter寄信◆ (NAmE) to mail a letter寄信■message [countable] a short piece of written or spoken information that you give to sb when you cannot speak to them directly（书面或口头的）信息，消息，音信◆I left a message on her answering machine.我在她的电话答录机上留言了。◆Victoria's not here at the moment. Can I take a message?维多利亚这会儿不在，要我给你传个话吗？◆The computer displays an error message when I try to run the program.我试着运行该程序时，电脑出现错误信息提示。■email ( e-mail) [countable, uncountable] a written message that you send from your computer to another person's computer over a network such as the Internet电子邮件；电邮◆I got an email from Andrew last week.我上周收到安德鲁的一封电子邮件。◆I have to check my email.我得查收一下电子邮件。▸email ( e-mail)
verb
[transitive] ◆David emailed me yesterday.戴维昨天给我发了电子邮件。◆I'll email the documents to her.我将用电邮把这些文件发给她。■mail [uncountable] the letters and packages which are sent and delivered by the postal system; messages that are sent or received on a computer邮件；信件；邮包；电子邮件◆There isn't much mail today.今天邮件不多。◆Is there a letter from them in the mail?邮包里有他们的来信吗？◆You've got mail.有你的信件。ⓘ In British English post is often used instead of mail to mean the letters and packages that sb sends and receives.在英式英语中，常用post而非mail来表示收发的信件和邮包。 see also mail ⇨ sendverb1■note [countable] a short informal letter短笺；便条◆Just a quick note to say thank you for a wonderful evening.仅以此短笺感谢您让我度过了一个美好夜晚。◆I left a note for Judith on her desk.我在朱迪丝的书桌上留了个便条。◆It is suspicious that he did not leave a suicide note.他没有留下遗书，这一点很可疑。■memo / /ˈmeməʊ; NAmEˈmemoʊ/ ( formalmemorandum /ˌmeməˈrændəm/ / ) (pluralmemoranda / /ˌmeməˈrændə/ / ) [countable] an official note from one person to another in the same organization备忘录◆The confidential memo was leaked to the press.那份机密备忘录被人泄露给了媒体。■fax [uncountable, countable] a system for sending documents in electronic form along telephone wires, using a special machine that sends, receives and prints the documents; a document sent by fax传真（系统）；传真文件◆a fax machine传真机◆Can you send it to me by fax?你能把它传真给我吗？◆What is your fax number?你的传真号码是多少？◆Did you get my fax?你收到我的传真了吗？▸fax
verb
[transitive] ◆Can you fax me the latest version?你能把最新版本传真给我吗？◆Can you fax it to me?你能把它传真给我吗？■text ( ˈtext message) [countable] a written message that you send using a mobile phone（手机）短信；短讯；简讯◆Send a text to this number to vote.请发短信到此号码参加投票。▸text ( ˈtext-message)
verb
[transitive] ◆I texted him to say we were waiting at the hotel.我发短信告诉他我们在酒店等候。■post [uncountable] (BrE) mail邮件；信件；邮包◆The book arrived in the morning post.这本书是上午邮递送来的。 see also post ⇨ sendverb1■communication [countable] (formal) a message, letter or telephone call信息；书信；电话◆If you no longer wish to receive communications from us, follow the instructions at the bottom of the email.如果你不想再收到我们的信息，请按照电邮底部的说明去做。 see also communication ⇨ communication, communicate ⇨ convey, communicate ⇨ talk■correspondence [uncountable] (ratherformal) the letters a person sends and receives来往信件；往来书信◆The editor welcomes correspondence from readers on any subject.编辑欢迎读者就任何问题来信。◆the correspondence column / page(= in a newspaper)读者来信专栏 see also correspondence ⇨ communication
number2
noun
a large number of people许多人He lives at number 12.他住在12号。➡ See also the entry for ⇨ figure另见figure条number ♦︎ letter ♦︎ figure ♦︎ symbol ♦︎ digit ♦︎ character ♦︎ mark ♦︎ signThese are all words for a single item that you write or print, that has a fixed meaning.这些词均表示符号、代号、记号。PATTERNS AND COLLOCATIONS 句型和搭配◆to write sth in numbers / letters / figures / symbols◆the symbol / character / sign for sth◆a single letter / figure / symbol / digit / character◆double letters / figures / digits◆a binary / decimal number / figure / digit◆to print / write a number / letter / figure / digit / character / mark◆to bear / be marked with / have a number / letter / figure / symbol◆a symbol / character / sign means / indicates sth◆a sequence / series / set / string of numbers / letters / figures / symbols / digits / characters■number [countable] used to show the position of sth in a series; a series of figures used to identify sth or to communicate by telephone or fax编号；序数；（电话或传真的）号码◆The song reached number 5 in the charts.这首歌在排行榜中位列第5。◆What is your social security number, please?请问你的社会保障号码是多少？◆My phone number is 266998.我的电话号码是266998。◆I'm sorry, I think you have the wrong number(= wrong telephone number).对不起，我想你打错了。◆He dialled the number, then changed his mind and hung up.他拨了那个号码，随即却改变了主意，挂断了电话。■letter [countable] a written or printed symbol that represents a sound used in speech字母◆'B' is the second letter of the alphabet.B是字母表中的第二个字母。◆Write your name in capital letters.用大写字母书写姓名。■figure [countable] a written or printed symbol that represents one of the numbers between 0 and 9数字符号；位数ⓘ Figure is usually used to talk about a series of symbols that represent an amount larger than 9. For a single symbol between 0 and 9, number is more often used. * figure通常指大于9的数字，0到9之间的数字较常用number表示◆She's earning a six-figure salary(= over 100 000 pounds, dollars or euros).她挣六位数的薪水。◆His salary is now in six figures.他的薪水现在是六位数。◆ (BrE) Inflation is now in single / double figures.通货膨胀率现在是一位数／两位数。ⓘ In American English use in single/double digits.在美式英语中用in single/double digits。■symbol [countable] a number, letter or shape that has a fixed meaning, especially in science, mathematics or music符号；代号；记号◆What is the chemical symbol for copper?铜的化学符号是什么？◆A list of symbols used on the map is given in the index.地图上所使用的符号全部列在索引中。■digit / /ˈdɪdʒɪt/ / [countable] any of the ten numbers from 0 to 9（从0到9的任何一个）数字，数位◆The number 57306 contains five digits.数字57306是个五位数。◆ (NAmE) Inflation is now in single / double digits.通货膨胀率现在是一位数／两位数。ⓘ In British English use in single/double figures.在英式英语中用in single/double figures。NOTE辨析 Figure or digit?Figure is used to talk about amounts of money, but digit is usually used with 'number', when it means a series of figures to identify sth, not an amount. * figure用于指金钱的数额；digit通常与number一词连用，用于指识别事物的一串数字，而不是某个数量◆The deal has been signed for a seven-figure sum.这笔涉及七位数金额的交易已达成。◆She dialled the four-digit extension number.她拨了四位数的分机号。Either word can be used to talk about an increase, although digit is more common than figure in American English.这两个词均可用于表示增加，但在美式英语中digit较figure常用◆The company is currently experiencing double figure / digit growth.该公司目前正经历两位数的增长。Digit is used more often than figure in texts about the use of technology and numbers appearing on equipment such as radio alarm clocks, calculators, cash machines, etc.与figure相比，digit较常用于有关技术应用的文本里；此外，收音机闹钟、计算器、自动取款机之类的设备上所显示的数字的位数亦较常用digit表示。■character [countable] (ratherformalortechnical术语) a letter, sign, mark or symbol used in writing, printing or on computers（书写、印刷或计算机上的）文字，字母，符号◆This size of type produces a line 30 characters long.用这种字号，一行可长达30个字符。◆These are the Chinese characters meaning 'wind' and 'water'.这些汉字的意思是wind（风）和water（水）。■mark [countable] (used in compounds用于复合词) a written or printed sign that you use in order to write clearly, showing things such as where sentences end符号；记号◆punctuation marks标点符号◆a question / exclamation mark问号；感叹号■sign [countable] (used in compounds用于复合词) a mark used to represent sth, especially in mathematics（尤指数学）符号；记号◆a pound / dollar sign英镑／元的符号◆a plus / minus sign加号；减号NOTE辨析 Symbol or sign?Apart from being used to talk about the letters representing chemical elements, symbol usually refers to a shape or small picture with a fixed meaning. A sign is likely to be more simple, consisting of one or two lines, such as a dollar sign or an equals sign. The meaning of a symbol may be less well-known than the meaning of a sign. * symbol除了用以指代表化学元素的字母符号外，通常还指具有固定含义的形状或小图。sign可能更简单，由一两条线组成，如dollar sign（元的符号$）或equals sign（等号=）。一个symbol的含义可能不如一个sign的含义那样为人所熟知。