gram-negativea. 革蘭氏陰性的格蘭氏陰性學術名詞Gram氏陰性的:醫學革蘭氏陰性的:植物學革蘭氏陰性:實驗動物及比較醫學英文釋義(of bacteria) being of or relating to a bacterium that does not retain the violet stain used in Gram's method