单词	upon his word of honour
释义	upon his word of honour adj.以名誉担保
随便看	Nitric acid fumes nitric acid fuming nitric acid, gaseous nitric acid industrial waste gas nitric acid insoluble substance nitric acid leaching nitric acid magnesium sulfate test nitric acid-magnesium sulfate test nitric acid magnesium sulfate test letter nitric acid-magnesium sulfate test letter nitric acid-magnesium sulfate tests nitric acid manufacture nitric acid nitric acid absorbed tower nitric acid absorber nitric acid absorption tower nitric acid oxidation nitric acid oxide nitric acid oxygen nitric acid plant nitric acid poisoning Nitric acid poisoning nitric acid pretreatment nitric acid process nitric acid production