单词	gramicidin
释义	gramicidin noun gram·​i·​ci·​din ˌgra-mə-ˈsī-dᵊn  : any of several toxic crystalline polypeptide antibiotics produced by a soil bacterium (Bacillus brevis) and used against gram-positive bacteria in local infections Word History Etymology gram-positive + -i- + -cide + -in entry 1 First Known Use 1940, in the meaning defined above Medical Definition gramicidin noun gram·​i·​ci·​din ˌgram-ə-ˈsīd-ᵊn  : an antibacterial mixture produced by a soil bacterium of the genus Bacillus (B. brevis) and used topically against gram-positive bacteria in local infections especially of the eye
随便看	stagnates stagnating stagnation stagnation point stagnations Stagnicola stagnicolous stagnum Stagonospora stags stagworm stagy Stagyrite Stahlian staid staider staidest staidlier staidliest staidly staidness staidnesses staig staigs stail

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