capturing,extracting和saving都属于supports的宾语,理应用相同的形式.只是你句子里面有三个并列成分的话,可以不全用and来联系,不然句子读起来会很奇怪~可以用“,,and”,这样会比较顺.= =你好歹也给读的人一点喘气的时间吧.
This program supports capturing pictures ,extracting audio files from DVD movies,and saving them as common audio formats