2N-UNCOUNT [usually n NOUN](对毒品或酒精的)依赖,瘾,癖 If you talk about drug dependence or alcohol dependence, you are referring to a situation where someone is addicted to drugs or is an alcoholic. (对毒品或酒精的)依赖,瘾,癖
French doctors tend to regard drug dependence as a form of deep-rooted psychological disorder.
3N-UNCOUNT (受其影响或决定的)依赖(关系) You talk about the dependence of one thing on another when the first thing will be affected or determined by the second. (受其影响或决定的)依赖(关系)