lower in value by increasing the base-metal content卑金属の内容を増加させることによって価値を下げる落す
corrupt, debase, or make impure by adding a foreign or inferior substance; often by replacing valuable ingredients with inferior ones; "adulterate liquor"異物または劣等物質を加えることにより、破損する、品質を低下させる、または、不純にする落す
corrupt morally or by intemperance or sensuality; "debauch the young people with wine and women"; "Socrates was accused of corrupting young men"; "Do school counselors subvert young children?"; "corrupt the morals"道徳的に、不節制に、または好色によって堕落する腐敗させる