the joint between A and B
用于指两个物体相连的部位，强调连接点。
The joint between the two metal plates had rusted.
两块金属板之间的接合处已经生锈了。
关节
接头；接合处；接合方式；低级娱乐场所；下等酒吧；大块肉（尤指带骨的或卷捆烹制的）；节；节间；段；节理（岩石裂隙）
A place where two bones or parts of the skeleton meet, especially one that allows movement.
铰接点,可转动接头
The point where two components of a structure join, but are still able to rotate.
(解剖学)两个骨骼或骨架元素之间的连接点(尤其是允许运动的)
(anatomy) the point of connection between two bones or elements of a skeleton (especially if it allows motion)
刚性连接点,固定接头
The point where two components of a structure join rigidly.
一个声名不佳的娱乐场所
a disreputable place of entertainment
关节
Any part of an animalian body where two bones or exoskeleton segments are abutted, in most cases allowing that part of the body to be bent or straightened.
事物结合的形状或方式,以及连接的形成
the shape or manner in which things come together and a connection is made
接头,接合处
The means of securing together the meeting surfaces of components of a structure.
带骨肉,大块肉
A cut of meat, especially (but not necessarily) (a) one containing a joint in the sense of an articulation or (b) one rolled up and tied.
节间,节间部
The part or space included between two joints, knots, nodes, or articulations.
节理(地质)
A fracture in which the strata are not offset; a geologic joint.
东西,玩意儿
A thing.
The doctor examined the patient's knee joint to check for swelling.
医生检查了病人的膝关节以查看是否有肿胀。
用法提示：这里"joint"指解剖学上的关节。
They went to a smoky joint downtown to listen to live music.
他们去了市中心一家烟雾缭绕的娱乐场所听现场音乐。
用法提示：这里"joint"指名声不佳的娱乐场所。
The plumber sealed the pipe joint with special tape.
水管工用专用胶带密封了管道连接处。
用法提示：这里"joint"指连接处或接合方式。
用于指两个物体相连的部位，强调连接点。
The joint between the two metal plates had rusted.
两块金属板之间的接合处已经生锈了。
英式英语中，指供烤制的大块带骨肉，常与 beef、lamb、pork 等搭配。
We roasted a joint of lamb for Sunday lunch.
我们烤了一块羊腿肉作为周日的午餐。
用 where 引导定语从句，说明关节连接的具体位置。
The elbow is the joint where the upper arm and forearm meet.
肘部是上臂和前臂相接的关节。
通用，但侧重连接的动作或状态，不如joint具体指结构
常用于道路、线路等的交汇点，比joint更强调交汇
指链条中的一环或抽象联系，不特指物理关节
grammar · medium
易错句子There is joint between the two bones.
正确表达There is a joint between the two bones.
joint 是可数名词，泛指“一个关节、一个接头”时，单数形式前必须加不定冠词 a/an。汉语没有冠词，直译时容易漏掉，但英语可数名词单数不能裸用。
grammar · medium
易错句子The joint of the two pipes is leaking.
正确表达The joint between the two pipes is leaking.
表示两个事物之间的连接点、接合处时，英语用 between A and B。of 只表示所属或部分关系，不能表达“A 与 B 之间”的位置关系，因此“两个管子的接缝”应说 the joint between the two pipes。
grammar · medium
易错句子The knee's joint is swollen.
正确表达The knee joint is swollen.
英语中身体部位与 joint 常直接构成名词复合词，如 knee joint、elbow joint，用前一个名词修饰后一个名词。汉语“膝盖的关节”直译成 the knee's joint 不符合英语搭配习惯，无生命事物一般也不用 's 所有格表这种修饰关系。
作为名词，指连接处或接合点的相反概念；关节或接合点被断开
junction 指道路、铁路等的交叉路口或系统、线路的汇合处，强调多个事物交汇的地点；而 joint 指两个物体部件之间的连接处或关节，强调物理上的连接部位，不一定是多条线路的交汇。
join 是动词，意为把事物连接起来或加入某个团体；而 joint 是名词，指连接点、接合处或关节。两者词性不同，不能互换。
hinge 指具体的铰链装置或铰链式的关节，强调可转动的机械部件；而 joint 是更广义的词，指任何连接点或关节，不限于铰链。
膝关节
He injured his knee joint during the soccer game.
他在足球比赛中伤了膝关节。
髋关节
The hip joint is one of the largest joints in the body.
髋关节是人体最大的关节之一。
关节疼痛
Many older people suffer from joint pain.
许多老年人遭受关节疼痛的困扰。
关节置换
She is recovering from a hip joint replacement surgery.
她正在从髋关节置换手术中恢复。
关节炎症
Joint inflammation can be caused by arthritis.
关节炎症可能由关节炎引起。
joint + -ed
joint + -less
joint + -ing
dis- + joint
dis- + joint + -ed
join (连接) + -t (名词后缀)
关节连接两块骨头，是骨骼系统的组成部分。
韧带连接关节处的骨头，提供稳定性。
软骨覆盖关节表面，减少摩擦和缓冲冲击。
关节窝是容纳关节头的凹槽，如髋关节的髋臼。
关节是使身体产生运动的关键结构。
脱臼；混乱，紊乱
The time is out of joint.
时代混乱不堪。
踩点（犯罪前侦察）
The thief cased the joint before the robbery.
小偷在抢劫前观察了现场。
使某人难堪；扫某人的兴
Her promotion put his nose out of joint.
她的升职让他很不开心。
世界上所有的酒吧，她偏偏走进我这一家。
We went to a jazz joint last night.
昨晚我们去了一家爵士酒吧。
这地方热闹极了。
When the music starts, the joint is jumping.
音乐一响起，这个地方就热闹起来。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.
脱臼
He fell and put his shoulder out of joint.
他摔倒了，肩膀脱臼了。