bac.i.tra.cin
n.（名词）A polypeptide antibiotic obtained from a strain of a bacterium(Bacillus subtilis) and used as a topical ointment in the treatment of certain bacterial infections, especially those caused by cocci. 杆菌肽素：一种从菌系（模式种） 中获得的多肽抗菌素，在对某种细菌传染病的治疗，尤指那些由球菌引起的传染病的治疗中用作局部软膏
来源：baci(llus) baci(llus)Margaret Tracy , an American child in whose blood it was first isolated 玛格丽特 特雷西 ，一美国孩子的名字，从她的血液中首次将此菌分离出来 -in -in
