In 1985, he began to show signs of alcohol and drugdependency.
1985年，他开始表现出酗酒和吸毒成瘾的迹象。
《柯林斯英汉双解大词典》
2
Too often this planet brings with it alcoholism or drugdependency, or the kind of shallow happiness that comes from faded glamor and tattered gowns.
海王星本来就容易让人沉溺于酒精和药物滥用，或者分不清虚幻的诱惑和虚假的表象。
3
"Medication addiction or drugdependency would be a reason why the United States a serious problem in todays society, which is closely related to the U. S." drug culture.