fraternal

这对双胞胎兄弟之间有着深厚的兄弟情谊。

The twin brothers have a deep ___fraternal connection.

他加入了大学的兄弟会，现在参加各种联谊活动。

He joined the university's ___fraternal society and now participates in various activities.

尽管来自不同国家，队员们之间始终保持着兄弟般的情谊。

Despite coming from different countries, the players always maintained a ___fraternal bond.