This is the 2252nd most frequent Chinese word.
组建
To form or establish.
组建 is used to describe the formal action of forming or establishing a new team within an organization.
公司组建了一个新的市场营销团队，以更好地推广产品。
The company has formed a new marketing team to better promote its products.
组建 here expresses the voluntary and cooperative effort of individuals to create a group dedicated to a particular goal.
学生们组建了一个语言学习小组来共同提高英语水平。
The students formed a language learning group to improve their English skills together.
组建 is used for the official creation of a team or organization to fulfill specific responsibilities.