词典释义：
a man or boy in relation to other sons and daughters of his parents
兄弟。
a male associate or fellow member of an organization
（男）同人，（男）同事
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the time is coming, brothers, for us to act .伙伴们！是我们起来行动的时候了。
〈非 正式，主北美〉 黑人兄弟（主要用于黑人之间的称呼）。
a thing which resembles or is connected to another thing
相似物；相关物
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the machine is almost identical to its larger brother .这台机器的样子与比它大的那台几乎一样。
(
【基督教】 （男）基督会教友。
a member of a religious order of men
（某修道的）男教友
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a Benedictine brother .一位本笃会的教友。
a member of a fundamentalist Protestant denomination
信奉基要主义的新教派的教徒
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the Plymouth Brethren .普利茅斯兄弟会。
used to express annoyance or surprise.
老兄（用来表示恼怒或惊讶）。
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brothers in arms soldiers fighting together on the same side 战友
"Old English
