关键词: amphetamines
The use of methamphetamines has become pervasive in our country, and especially in rural areas. 甲基苯丙胺的使用在我国已变得普遍，特别是在农村地区。 -- Collin C. Peterson 科林·C·彼得森
Blue cheese contains natural amphetamines. Why are students not informed about this? 蓝纹奶酪含有天然安非他命。为什么学生不知道这一点? -- Mark E. Smith 马克·史密斯