abbr. Brotherhood of Railroad Trainmen列车乘务员组织 b-r: 变换能力r and b: R and B ＝rhythm and blues 拍子清楚，节奏简单的布鲁斯乐曲。 a ara，b r: 撒哈拉井b-r convertibility of a filter: 滤光镜的f r z b: 菲鲁扎巴德下载手机词典可随时随地查词查翻译
