1
a number of + plural noun
谓语动词用复数。
A number of students are waiting outside.
许多学生正在外面等候。
数量；总数
先理解核心含义，再看它在真实句子里的用法。
数量；总数
An amount or total of countable things; a numerical quantity.
A number of students are waiting outside.
许多学生正在外面等候。
可数事物的数量
Quantity of countable things.
使麻木的东西。
Something that numbs.
总和或不确定数量的单位或个体所具有的属性
the property possessed by a sum or total or indefinite quantity of units or individuals
用于描述数量的抽象实体
An abstract entity used to describe quantity.
The number of participants in the marathon was over five thousand.
马拉松的参赛人数超过了五千。
AI contextual example
She asked for the exact number of books on the shelf.
她问了书架上确切的书本数量。
AI contextual example
The show ended with a lively musical number that got everyone clapping.
演出以一个活泼的音乐节目结束，让所有人都鼓掌。
AI contextual example
he had a number of chores to do
他有很多杂务要做
WordNet
谓语动词用复数。
A number of students are waiting outside.
许多学生正在外面等候。
谓语动词用单数。
The number of participants has increased.
参加者的数量增加了。
用于表示序号或编号。
Please take number 5 from the machine.
请从机器上取5号。
复数形式泛指数字或统计数据。
The numbers don't lie.
数字不会说谎。
Not this
A large number of money was spent.
Use this
A large amount of money was spent.
“money”是不可数名词，而“number”只能修饰可数名词复数；表示不可数名词的数量时应用“amount”。
Not this
The number of students are increasing.
Use this
The number of students is increasing.
在“the number of + 复数名词”结构中，主语是“the number”（单数），因此谓语动词应用单数形式“is”，而不是复数“are”。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
许多
A number of students were absent.
许多学生缺席。
大量
A large number of people attended the concert.
大量的人参加了音乐会。
少量
Only a small number of tickets remain.
仅剩少量门票。
序列号
Please enter the serial number of your device.
请输入你设备的序列号。
电话号码
What is your phone number?
你的电话号码是多少？
房间号码
He forgot his room number.
他忘记了他的房间号码。
对…造成严重影响；欺骗
The storm did a number on our roof.
暴风雨对我们的屋顶造成了严重破坏。
看穿某人的本质
She got his number after he lied to her.
在他对她撒谎之后，她看穿了他的本质。
自私自利，只顾自己
He always looks out for number one.
他总是只顾自己。
披头士歌曲《革命9》中的重复歌词，常被用作流行文化引用。
The song 'Revolution 9' features the repeated phrase 'number nine'.
歌曲《革命9》中重复出现了'number nine'这一短语。
《星际迷航：下一代》中皮卡德舰长对副官瑞克（昵称'Number One'）的命令，已成为经典台词。
In Star Trek, Captain Picard often says 'Number One, engage!' to his first officer.
在《星际迷航》中，皮卡德舰长经常对他的副官说'Number One, engage!'。
Use number naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记忆技巧：'number'发音类似'那么薄'，想象薄纸上写满数字。
[object Object]
注意 'a number of' 后接复数名词，谓语动词用复数；'the number of' 后接复数名词，谓语动词用单数。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.