join: implies a bringing into a degree of contact or conjunction of clearly discrete things: ~ forces in an effort to win. (discrete不同、离散: 表面相似接近实际独立分开: two discrete issures are confused here两个不同问题被混淆了)


combine: implies a merging or mingling that obscures identity of each unit: ~ the ingredients for a cake.


unite: stresses the bond by which two or more individual entities are joined and implies GREATER loss of identity: 13 colonies ~ into a republic.


connect: suggests a loose and external attachment with LITTLE or NO loss of identity: the bridge ~ the island to the mainland.


link: may imply strong attachment and inseparability of elements: a name forever ~ with liberty.


associate: stresses the MERE fact of occurrence or existence together in space or logical sequence: opera is popularly ~ with high class.


relate: suggests existence of real or presumed natural or logical connection: the two events were not ~.


join加入汇合: 某种程度接触或会合，combine结合: 个体变模糊的混合融合，unite团结: 强调纽带，个体消失更多，connect连接: 表示松散外部的连接，个体仍独立存在，link链接: 强力连接无法分离，associate联系: 仅表示同时存在或发生，relate关系: 表示自然或逻辑的连接。


记忆方法：1）JCUCLAR首字母记忆，想成JOCULAR爱开玩笑的人==>容易和人建立联系关系
             (第一个C补全变O，后边C和U互换即可)。


          2）首字母记忆把这组词link起来，参看link解释。  


          3) 连接的意思是成为一个联合体mean to bring or come together into some manner of union.