the excessive and compulsive use of drugs to the point of damaging one’s health
Related Translations:
以致: (多用来指不好的结果) so that; with the result that; consequently;as a result that;as a result:他平时学习不努力, 以致 (于)考试不及格。 he hadn't studied hard so that he failed in the exam. 在大多数机器中, 摩擦要消耗功, 以致造成输出的功要