使不分散，结合to unite

• 全世界无产者，联合起来！

  Workers of the world, unite!

结合在一起的joint

• 联合宣言

  joint declaration

• 联合行动

  joint action

• 联合声明

  joint statement

• 联合公报

  joint communiqué

• 联合力量

  joint strength

• 联合投资

  joint investment

【生理】to join together