我和爱人去伦敦市区搞到了一公斤苯丙胺。Me and my mate went to score a kilo of amphetamine down in London.苯丙胺类物质是一大类人工合成的以苯丙胺为母体的化合物.Amphetamines is one kind of synthetic compounds whose precursor structure is amphetamine.街头毒品, 如可卡因和甲基苯丙胺可导致...
使用陶制的活栓,认为是不够安全的.The use of stoneware cocks is not considered to be safe enough.医生关掉小活栓.The doctor shut off the petcock.该小活栓适用于连接内径为6mm的橡胶管.This petcock is suitable to connect the rubber pipes with the inside diameter of...