element: applies to any such part and often connotes inreducable simplicity: the basic ~s of the Gothic novel.


component: stresses the separate identity or distinguishable character of the elements: able to identify every ~ of his firearm.


constituent: stresses the essential and formative relationship of the elements, substances, or qualities to the whole: analyzed the ~s of the compound.       (constitution宪法)


ingredient: applies to any of the substances which can be combined to form a mixture that has qualities that may be different from those of the constituents: the ~s of a cocktail.


factor: applies to any element or constituent whose presence actively helps to perform a certain kind of work or produce a particular result: price was a ~ in her decision to buy.


element元素: 简单不可再分的，component组件: 强调独立的个体和属性，constituent组件: 强调基本和形成总体，ingredient配料: 和最终混合物性质不同，factor因素: 任何帮助实现目的元素或组件


记忆方法: 1) 首字母EC CIF重组为FIC制作和CE中式英语<==元素    FIC/FAC是表示制作的词根to make,do

         2) 元素的意思是复合体的一部分mean one of the parts, substances, or principles of a compound or complex whole.首字母EC CIF重组为FIC制作和CE中式英语<==元素