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

您可能还记得， 兄是男性团体；兄“frater” ，意为兄。

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.

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