音标发音英式音标 [ˈbiː.saɪd]美式音标 [ˈbiː.saɪd]英式发音 美式发音 基本解释n.B麪同根派生 B-side相关词英英字典劍橋英英字典 the less important side of a single (= a record containing one song on each side)B-side剑桥字典B-side柯林斯字典