【词汇讲解】
1.complexion n. 肤色，面色，体质，特性
如：Her sparkling jewellery served as the perfect foil for her fine complexion.
她戴著闪闪生辉的首饰，更显得容貌姣好。
She has a pale complexion.
她面色苍白。
2.discoloration n. 变色，污点，褪色
3.artfully adv. 艺术地，有技巧地，熟练地，狡诈地
如：Artfully contrived to gain favor or confidence; ingratiating.
谄媚的巧妙地设法取得好感或信任的; 讨好的
Something insinuated, especially an artfully indirect, often derogatory suggestion.
影射影射的事情，特别是巧妙地间接的，通常是贬义的暗示
4.whiten v. 使 ... 白，变白
如：I must whiten my tennis shoes.
我必须把我的网球鞋刷白。