美:/'dʒɔɪnd/
原形 join
初中,高中,CET4,CET6,考研
v. 加入；参加（join的过去式，过去分词）；[计] 连接
I joined a soccer team last week.
我上周加入了一支足球队。
He joined the company last year.
他去年加入公司。
I joined a new club last week.
我上个星期加入了一个新俱乐部。
I joined a sports team so I can exercise.
我加入了运动队，这样我就可以锻炼身体。
He joined the military after he graduated from college.
他大学毕业后去参军了。
When I joined the company, I quickly learned that my top-down approaches weren’t going to fly here.
我加入公司时，很快就知道我那种自上而下的工作模式在这行不通。
Yup, I just joined last month.
是的，我上个月刚刚加入的。
In university. I joined the school team and have been racing ever since!
大学的时候。我参加了校队，从那时候开始就一直坚持到现在！
Hey, do you want to learn ballroom dance with me? I just joined a weekly class.
嘿，想跟我一起学交谊舞吗？我报了一个班，每周去。
Nope, I decided Greek life isn't for me. My girlfriend joined a sorority though. You?
没有。我觉得男大学生联谊会不适合我。我女朋友倒是参加了女大学生联谊会。你呢？
Meanwhile this week, compe*****s Walmart and Microsoft joined forces to boost their online business and take on Amazon.
与此同时，竞争对手沃尔玛和微软本周联手增加其在线业务抗衡亚马逊。
Tesla just joined a small group of companies that have reached a $1-trillion valuation.
特斯拉刚步入万亿市值俱乐部，目前估值过万亿的公司屈指可数。
The actor will be joined by linguists, scientists and others talking about the origin of today's most common curse words.
*********斯将与语言学家、科学家等人一起谈论当今最常见脏话的由来。
The WHO has joined with twenty-three countries to support an international treaty that will help fight future global health emergencies.
世界卫生组织与23个国家携手创建一项国际条约，以应对未来的全球卫生紧急情况。
Like with any good hashtag, soon celebrities and accomplished business figures all joined in on the trend.
就像任何一个热搜标题一样，很快，各路明星、商界领袖都加入了讨论。
She joined the company in 2002.
她于 2002 年加盟这家公司。
I've joined an aerobics class.
我参加了有氧健身班。
I joined a dating agency.
我加入了一家婚介所。
They joined the ranks of the jobless.
他们加入了失业大军。
He joined the society for political ends.
他为了政治目的加入了这个协会。
join hands
携手，联手；齐心协力
join in
加入；参加
join hands with
握手；同…联合
join forces
协力；团结
join together
结合；连接
v.|connected;加入；参加（join的过去式，过去分词）；连接
joined 是动词join 的过去式和过去分词形式，其核心含义是“连接；结合；加入”。具体释义和用法如下：
物理连接或结合
指将两个或多个物体在物理上连接在一起，使其成为一个整体或相互接触。
例如：The carpenter joined the two pieces of wood with strong glue.（木匠用强力胶将两块木头粘合在一起。）
来源：Cambridge Dictionary - join 释义
成为成员或参与者
表示成为某个团体、组织或活动的成员或参与者。
例如：She joined the company as a software engineer in 2020.（她于2020年以软件工程师身份加入该公司。）
来源：Oxford Learner's Dictionaries - join 释义
与某人同行或会合
指主动与他人在同一地点会面或同行。
例如：We joined the protesters outside City Hall.（我们在市政厅外加入了抗议者的行列。）
来源：Merriam-Webster - join 释义
数学与逻辑中的关联
在集合论中，指两个集合的并集操作；在数据库中表示通过共同字段连接表格。
例如：SQL uses
JOINclauses to combine rows from multiple tables.（SQL 使用JOIN子句合并多表数据。）来源：W3Schools - SQL JOIN
法律或契约的结合
在法律文件中，指多方共同签署或承担义务。
例如：The parties joined in a contract to develop the property jointly.（各方共同签署合同联合开发该地产。）
来源：Legal Information Institute - Joint Obligation
参考例句与扩展用法
The router joined the network devices into a single subnet.（路由器将网络设备连接至同一子网。）
Over 50 countries joined the climate agreement.（50余国加入了该气候协定。）
His speech joined the themes of innovation and sustainability.（他的演讲将创新与可持续性主题相结合。）
词源补充
源自中古英语 joinen，借自古法语 joindre，最终源于拉丁语 iungere（意为“连接”），与英语单词 junction、conjunction 同源。
“joined” 是动词join 的过去式和过去分词形式，含义广泛，具体解释如下：
根据具体语境，“joined” 可能隐含“主动参与”或“被动连接”。需要结合上下文进一步分析。
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