bmx 英 [ˌbiː em ˈeks] 美 [ˌbiː em ˈeks] 基本解释 bicycle motocross,自行车越野赛 同首字母单词 b2b [ˌbiː tə ˈbiː] ba [bɑː] baa [bɑː] baae baal baalim baalish baalism baalize baaroque ['bɑːrəʊk] baas [bɑːz] baaskaap [bɑːs'kɑːp]