药物成瘾一般被界定为强迫性药物寻求和药物摄入的行为模式，是一个由偶尔用药逐渐过渡到强迫性用药模式的过程。

Drug addiction is defined as compulsively behavioral patterns drug-seeking and drug-taking, a process from casual to compulsive patterns of drug use.

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药物成瘾一般被界定为强迫性药物寻求和药物摄入的行为模式，是一个由偶尔用药逐渐过渡到强迫性用药模式的过程。

Drug addiction is defined as compulsively behavioral patterns drug-seeking and drug-taking, a process from casual to compulsive patterns of drug use.

youdao