表示：既……又……、除此之外、此外的意思。
1、强调作用
as well as也可以换为and，但是as well as起到强调作用，而且A as well as B, 主要在强调A，后面介词可加，可不加。
Hollywood has always been about marketing dreams to investors as well as to audiences.
好莱坞总是致力于向投资者和观众推销梦想。
2、有侧重的强调
并列用as well as，相当于, and，但是as well as起到强调作用，而且A as well as B, 主要在强调A。
Website traffic includes customers checking online prices and information, as well as those actually buying.
网站流量包括消费者查询网购价格和信息，以及实际购买操作。
3、避免歧义
as well as 前后连接的是一个不同的整体，,and会引起歧义，as well as避免引起歧义。
Gree has plants in four provinces in China as well as Brazil, Vietnam and Pakistan.
格力在中国的四个省份设有工厂，另外在巴西、越南和巴基斯坦也有工厂。
4、连接不同整体
as well as 连接的前后都是不同的整体，前面或者后面小并列是整体，后面是独自的整体，使用,and会引起歧义。
This can include practical abilities such as riding a bike and kneading dough, as well as higher-level tasks.
这包括骑自行车和揉面，以及更高水平的实践能力。
as well as 前后连接的是一个不同的整体，避免and使用太多，使用as well as。
5、接续作用
as well as作介词，后面接动词ing或原型，意为“除了„„之外，不仅，还有”，后接n or v-ing
As well as trying to master the Chinese language, Mr Zuckerberg has entertained China’s chief censor at his San Francisco home.
除了努力学习中文，扎克伯格还在旧金山的家中款待中国审查机构负责人。