as well as整个就是副词
as ... as 结构中的第一个as为指示副词; 第二个是连接词
as... as 结构中第二个 as, 它往往连接一个不完整的从句, 表示比较]和...一样, 象...一样
as well as
conj. &prep. (除...之外)也,又
例句:
You must deposit 500 as well as the first month's rent.
你必须付500英镑押金及第一个月的租赁费.
Do you burn coal as well as wood on this fire?
你是不是用煤也用木头 生这炉火?
He grows flowers as well as vegetables.
他既种菜也种花.