硫黄
3d illustration
acetoxyetyl
antibacterial
antibiotic
antimicrobial
atomic
atoms
bacteria
bacterium
carbon
cefuroxim
cefuroxime
cephalosporin
chemical
disease
generation
hydrogen
infection
medicine
microbe
microorganism
model
molecular
molecule
nitrogen
oxygen
pharmacy
resistance
resistant
structure
sulfur
therapy
treatment
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