名詞 bacitracin:

1. a polypeptide antibiotic of known chemical structure effective against several types of Gram-positive organisms; usually applied locally

bac.i.tra.cin

n.（名詞）
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.
桿菌肽素：一種從菌系（模式種） 中獲得的多肽抗菌素，在對某種細(xì)菌傳染病的治療，尤指那些由球菌引起的傳染病的治療中用作局部軟膏

來源：
baci(llus)
baci(llus)
Margaret Tracy , an American child in whose blood it was first isolated
瑪格麗特 特雷西 ，一美國孩子的名字，從她的血液中首次將此菌分離出來
-in
-in