| 单词 | Gram-negative |
| 释义 | gramicidin /gram-i-sīˈdin/nounAn antibiotic obtained from certain bacteria, used against Gram-positive bacteria (also gramicidin D) ORIGIN: HCJ Gram (1853–1938), Danish bacteriologist who devised the method, and L caedere to kill Gram-negˈative (also gram-) adjective Losing a stain of methyl violet and iodine on treatment with alcohol Gram-posˈitive (also gram-) adjective Retaining the stain |
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