He has a dual interest in the football team; he's the trainer and his son plays for them.
他跟那个足球队有双重关系,他是足球队教练,他的儿子是队员。
The road opened out into a dual carriageway.
这条路已扩展成了复式车行道.
His dual role as a composer and a conductor made him very busy.
他作曲家和指挥家的双重身份使他非常繁忙。