1. 细菌：bacillus 杆状菌 | bacilus 细菌 | back against 背朝着
2. 细菌,杆状菌,杆菌：bacillus || 杆状菌, 细菌 | bacilus || 细菌,杆状菌,杆菌 | bacitracin || 杆菌肽, 枯草杆菌抗生素
3. 杆状菌：杆状的bacilliformbaculiform | 杆状菌bacilus | 杆状体rhabdite