toefl100
toefl100(编辑修改稿)
o produce the desired effect, and then by the appearance of unpleasant withdrawal symptoms when the substance is discontinued. [参考译文 ] 对药品的依赖性首先表现为不断增长的耐药量，要产生想得到的效果所 需要的药品剂量越来越大，然后表现为当停止用药后，令人不快的停药