1. 用于本义，两者意为“与……一样好”，但 good 是形容词，而 well 是副词。如：
正：He speaks English as well as her.
正：His English is as good as hers.
(1) as good as 意为“几乎”“差不多”(=almost)。
He as good as said I’m a liar.
We’re as good as ruined.
习语be as good as one’s word意思是“说话算数”。
You’ll find that she’s as good as her word.
(2) as well as 表示“而且”。
She’s clever as well as beautiful.
He speaks Spanish as well as English and French.
A as well as B=not only B but also A
Mary as well as her friends is going to Paris.
As well as breaking his leg, he hurt his arm.
He sings as well as playing the piano.
As well as eating [ate, eat] a seven-course meal, they drank three bottles of wine.