You may remember that fraternities are groups for men; fraternity comes from the Latin word " frater" meaning brother.

您可能还记得， 兄弟是男性团体；兄弟文“frater” ，意为兄弟。

Students who belong to fraternities or sororities refer to each other as brothers and sisters; fraternity comes from " frater, " sorority comes from " soror, " brother and sister in Latin.

属于兄弟或姐妹的学生互相称呼为兄弟姐妹；兄弟“frater” ，联谊“soror” ，语中的兄弟姐妹。