with obj.
1- link; connect连接; 接合：
the tap was joined to a pipe
水龙头与一条管道相连接
join the paragraphs together.
把这几段连接起来。
1.1
- become linked or connected to与…汇合, 与…交接：
where the River Drave joins the Danube.
德拉瓦河与多瑙河汇合的地方。
1.2
- connect (points) with a line用线连接（点）：
join up the points in a different colour.
用另一种颜色把这些点连接成线。
1.3
- no obj., with adverbial unite to form one entity or group联合：
they joined up with local environmentalists
他们与当地的环境保护者联合起来
countries join together to abolish restrictions on trade.
各国联合起来废除贸易限制。
1.4
- become a member or employee of加入, 成为…的一员（或雇员）：
she joined the department last year.
她去年加入了这个部门。
1.5
- take part in参与, 参加：
I joined the demonstration
我参加了示威游行
no obj. I joined in and sang along.我加入到了歌唱中去。
1.6
- no obj.
join up
become a member of the armed forces入伍, 参军： her brothers joined up in 1914.
她的兄弟1914年入伍。
1.7
- come into the company of和…作伴, 随同, 陪同：
after the show we were joined by Jessica's sister.
看完演出后杰西卡的妹妹和我们作伴。
1.8
- support (someone) in an activity支持（某人）做, 和…一起做：
I am sure you will join me in wishing him every success.
我深信你会和我一样祝愿他大获成功。
- a place or line where two or more things are connected or fastened together连接处; 接合点; 接缝。
短语
join battle
- formal begin fighting〈正式〉开始交战, 参战。
join the club
- 见CLUB1.
join forces
- combine efforts协力, 联合。
join hands
1
- hold each other's hands握手。
1.1
- figurative work together〈喻〉合伙, 通力合作：
education has been shy to join hands with business.
教育界一直害怕与商界联手。
派生词
joinable
adjective词源
Middle English: from Old French joindre, from Latin jungere 'to join'.