both用作形容词时，作“两个”翻译，只用作定语，是前位限定词，常与复数名词连用。both用作代词时可作主语、宾语和同位语。both作副词时主要和and连用构成关联连词，意思是“……和……都”。作连接词时，意为既、和、且等。相关例句：The prospects both excited and worried me.这前景即使我激动又令我忧虑。We like Amy and Phil both.艾米和菲尔两个我们都喜欢。Why not buy both？为什么不把两件都买下？Both his eyes were seriously burned.他的双眼都严重烧伤了。

简明释义

both：英[b？θ]；美[bo？θ]

det.两者，双方

adj.两.（都），两个.（都）

pron.两个

conj.不仅.而且.和.都，既.又.

adv.在两方面同样地

用法

both是指两者怎么样，其用法有两种，它可以和名词、代词连用，也可以和动词连用，在句中作主语、宾语及同位语，也可作定语both当形容词的时候，有：both of the boys=both boys=both the boys（两个男孩都.）。接代词的时候是：both of us=we both（我们都.）。当both做副词的时候，放在Be动词，助动词，情态动词之后，行为动词之前比如说：We both like English.We can both sing.

另外，both也构成短语both.and.（.和.都）比如：Both Tom and Tina like English.（Tom和Tina都喜欢英语）切记这里的谓语动词必须用复数形式。

双语例句

1、Auras can be seen physically,or sensed psychically,or both.

从身体上能够看见光环，或从心理上感觉到它，或者二者都可以

2、Penny dreadfuls and shilling shockers are genres4 similar to the dime novel,which both refer to inexpensive novels of violent adventure or crime that was especially popular in mid-to-late Victorian England.

Penny dreadful和shilling shocker都与dime novel有类似的意思，二者都指那些维多利亚统指的后后期社会上广为流传的那些内容包含暴力和犯罪的廉价小说。

3、The data is limited in terms of both quality and quantity.

这份资料在质量和数量上都很有限。

4、They were both only 20 years of age.

他们两人都只有20岁。

5、They both had some right on their side.

他们双方都有一定的道理。

6、They both said much the same thing.

他们两人的话大致一样。

7、A free trade agreement would be advantageous to both countries.

自由贸易协定对两国都会有利。

8、John was present at the birth of both his children.

约翰的两个孩子出生时他均在场。

9、We're both going after the same job.

我们俩都在谋求同一份工作。

10、Both her children still live at home.

她的两个孩子仍住在家里。

11、They're both beautiful─I can't make up my mind.

两个都很漂亮——我难以决定。

12、Both their children are at university.

他们的两个孩子都在上大学。

13、Please write in pen on both sides of the paper.

请用自来水笔在纸的正反两面书写。

14、Both methods rely on the accurate determination of the pressure of the gas.

两种方法都依赖于对气体压力的准确测定。

15、The play is being cast in both the US and Britain.

目前正在英美两国挑选这部戏的演员。

16、Output consists of both exports and sales on the domestic market.

产量包括出口和国内市场销售两部分。

17、We went on a cruise,a first for both of us.

我俩都是平生第一次去海上旅游。

18、The benefits of conservation are both financial and aesthetic.

保护自然环境在经济上和美化环境上都有好处。

19、The product is sold both at home and overseas.

这个产品行销国内外。

20、Both sides met in order to try to resolve their differences.

双方会晤以努力解决分歧。