backlining 英 [bæk'laɪnɪŋ] 美 [bæk'laɪnɪŋ] 基本解释 n.(加固书脊的)背衬料 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]