addition/əˋdIʃən; əˈdIʃ$n/n 1 in addition used to add another piece of information to what you have just said 除此之外﹐此外: The group meets four times a week; in addition we have individual counselling sessions. 组里的人每周碰头四次﹐除此之外﹐我们还有个别辅导。+to In addition to her teaching job, she plays in a band. 除了教书的工作以外﹐她还在乐队里演奏乐器。2 [U] the act of adding something to something else 添加﹐增加: the addition of sth The addition of herbs and spices improves the flavour. 加入香草和香料可以使味道变得更好。3 [U] the process of adding together several numbers or amounts to get a total [→ subtraction] 相加﹐加法4 [C] something that is added 增加物: The tower is a later addition to the cathedral. 这塔楼是大教堂后来加建的。