number/'nʌmbər $ -bər/

n.

➊ a word or sign that represents an amount or quantity

➋ a phone number

➌ an amount of sth that can be counted

n.

➊ [C] 数，数字；号码：Add the numbers 6, 9, 10. 把数字6、9、10相加。

◇Some people think six is a lucky number. 一些人认为6是幸运数字。

◇the room number 房间号

◇The number 47 bus leaves in 5 minutes. 47路公共汽车5分钟后开出。

➋ [C] 电话号码：Sorry, you have the wrong number. 对不起，你打错电话了。

◇I don't know his (phone) number. 我不知道他的电话号码。

➌ [C; U] 数量：[the number of +可数名词复数+ v. 单] The number of cars on the roads is increasing. 路上的汽车数量越来越多了。

◇They were six in number. 他们有6个人。

a number of sb/sth 一些：[a number of +可数名词复数+ v. 复] A number of houses have been damaged in the flood. 发洪水时，一些房子被损毁了。

◇a large(或great) number of people很多人

◇a small number of students 少数学生

常犯错误

✗ the Room number 405

✓ Room number 405 405房间

常犯错误

✗ The amount of hours we spent on the work was rather small.

✓ The number of hours we spent on the work was rather small. 我们用在工作上的小时数是相当少的。

巧记 用下例记住the number of 和a number of的语义差别：The number of people invited was 100, but a number of them were absent for different reasons. 受邀人数是100，当有相当多人因各种原因未到场。

辨析amount; number