brotherhood
n
1 [U]
(a) relationship of brothers 兄弟的关系
the ties of brotherhood 兄弟间的手足亲情.
(b) comradeship; friendship between brothers 同志关系; 兄弟情谊
live in peace and brotherhood 和睦友好地生活.
2 [C, Gp] members of an association formed for a particular purpose, eg a religious society or socialist organization 全体志同道合者(如宗教社团或社会主义组织中的).