額外性

She has two cars and in addition a motorboat. 她有兩輛轎車外加一艘汽艇。

The little girl is not very clever at addition. 這個小女孩不太善于做加法。

Ann will be a very useful addition to our team. 安來到我們隊給我們增加了一員干將。

In addition, we supply small parts for replacement. 此外，我們還提供備用小零件。

Addition and division are forms of computation. 加法和除法都是計算方法。

The baby is a new addition to our family. 這個嬰兒是我們家新增的人丁。