baan.（咩）羊叫声v.咩咩叫BAA.abbr.实用美术学士（=Bachelor of Applied Arts）Baanchiobdella kobayashiin.小林蛭蚓Baanchiobdella monodontusn.单齿蛭顿Baanchiobdella heterorchisn.异睾蛭蚓Baade-Wesselink analysis巴德-韦塞林克分析Baader's dermatostomatitis光纤到服务区Baanchiobdella macroperistomiumn.巨唇蛭蚓Baader's dermatostomatitis syndrome复方樟柳碱