柯林斯詞典substance abuse 1. N-UNCOUNT Substance abuse is the use of illegal drugs. 使用毒品 ...job-related accidents caused by substance abuse. ...吸毒造成的職業(yè)事故。 返回 substance abuse劍橋詞典the use of a drug to get pleasure , or to improve a person's performance of an activity , or because a person cannot stop using it 濫用毒品，濫用葯物 返回 substance abuse