as well as 和except 区别

as well as 和except 区别
as well as 和 except 都表示 除…之外 的时候,用法的区别.
（仁爱英语初二的单词表显示 as well as 中文有 除…之外的意思.）
最好有例句..（我们老师不解释这个）