Biya比亚是前苏联制造的测量船Bin.[化]元素铋(bismuth)的符号bi-: pref.；表示“二；双”Biejiajian pill鳖甲煎丸bi-task model双任务教学模式bicomplementary互余集bimetal compact双金属坯块bium articulare关节唇bi-adaptation双适应bivental muscle二腹肌bicolor statice二色补血草biracial school种族混合学校bifactor theory双因子论