Today we are learning the English word 'number'. The phonetic transcription is [ˈnʌmbər], with stress on the first syllable. Number can be used as both a noun and a verb. As a noun, its core meaning is digit and quantity, such as the digits 1, 2, 3, or concepts representing some quantity.
When 'number' is used as a noun, it has several meanings. First, it can refer to digits like 1, 2, 3, 4, 5. Second, it can indicate quantity, as in 'a large number of people'. Third, it can mean an identification code, like a phone number or house number.
When 'number' is used as a verb, it means to assign numbers or to count. For example, 'number the pages from 1 to 10' means to assign sequential numbers to pages. It can also mean to total or amount to, as in 'the group numbers 50 people', meaning the group consists of 50 people in total. Common phrases include 'a number of' meaning 'many' and 'the number of' meaning 'the quantity of'.
作为名词,number有四个主要含义。第一,表示数字,如1、2、3等具体的数值。第二,表示数量,常用在a number of这个短语中,意思是许多。第三,表示号码,比如电话号码、房间号等标识码。第四,表示期号,如杂志的第几期、报纸的第几号等。这些用法在日常英语中都很常见。
作为动词,number有三个主要用法。第一,表示编号,给某些东西按顺序标上数字,比如给页面编号、给文件编号。第二,表示总计或共计,描述数量达到某个数目,如学生总计200人。第三,表示把某人或某物算作、归类为某一类,常与among搭配使用。这些动词用法帮助我们更准确地表达数量和分类概念。
number的常用短语搭配有很多重要用法。a number of表示许多,强调数量多但不确定具体数目。the number of表示确定的数量,强调具体的数值。phone number指电话号码,是日常生活中最常用的搭配。serial number表示序列号,常用于产品标识。number one表示第一或最重要的,如安全是第一位的。掌握这些搭配能让我们更准确地使用number这个词。
通过具体例句来巩固number的用法。第一个例句中,number作名词表示电话号码。第二个例句使用a number of表示许多学生,注意这里强调数量多但不确定。第三个例句中number作动词,表示给文件编号的动作。第四个例句使用the number of表示汽车的确切数量。通过这些实际应用,我们可以更好地理解和掌握number在不同语境中的正确用法。