bacilli
  桿菌
  Ba·cil·lus n.; pl. Bacilli   Biol. A variety of bacterium; a microscopic, rod-shaped vegetable organism.
  ◄ ►
  Bacilli
       n : aerobic rod-shaped spore-producing bacterium; often
           occurring in chainlike formations; found primarily in
           soil [syn: Bacillus, B]