Amphetamines is one kind of synthetic compounds whose precursor structure is amphetamine.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.Methedrine and amphetamine can and will freeze your mind and kill your body.没太得灵和安非他命能够让你失心丧命.a form of ...
一种想法的雏形the embryo of an idea现代自行车的雏形the prototype of the modern bicycle他的机械计算机是现代电子计算机的雏形.His mechanical calculating engines were the antecedents of the modern computer....
该书描述了4个角色，大致上以我的几个叔叔为原型。The book follows four characters, loosely based on my uncles.他的新角色会确保他跻身我们的一流演员之列。His new role could confirm him as one of our leading actors.莎士比亚笔下的女性角色在创作之初是打算由男性来扮演的。Shakespearean women's ...