毒品可以是用来吞服，注射或是吸入的化学合成的，天然的或是人造的药物，会改变人体的化学平衡。
A drug can be defined as a chemical compound, natural or human created, which when ingested, injected or inhaled, has the ability to alter the chemical balance of the body.
人工化学合成的、直接作用于人的中枢神经系统的新型毒品，以高度的精神依赖(成瘾)为特征。
Artificial chemical synthesis, a direct role in the human central nervous system of the new drugs, with a high degree of psychological dependence (addiction) is characterized.
人工化学合成的、直接作用于人的中枢神经系统的新型毒品，以高度的精神依赖(成瘾)为特征。
Artificial chemical synthesis, a direct role in the human central nervous system of the new drugs, with a high degree of psychological dependence (addiction) is characterized.
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