add-on

复数：add-ons  

n.

1.〔口语〕分期付款方式

adj.

1.附加的

1 . Participation is often just a matter of formality or an "add-on" procedure.
分享时常是仅仅大约礼节或“数据片”程序。

2 . You might have an older version of the add-on which needs to be updated to work with a newer version of Internet Explorer.
您可能有一个较旧版本的加载项，需要对其进行更新才能与较新的InternetExplorer版本一起使用。

3 . The concept of downloadable content (DLC) will no longer be thought of as an add-on for existing games, but the game itself.
可下载内容（DLC）的概念将不再被视作对现有游戏的附加，而就将成为游戏的本身。

4 . In that case , the add-on might not show up in the lists of add- ons or you will not be able to enable it .
这种情况下，禁用的加载项可能不出现在加载项列表中，或者说您将无法启用它。

5 . The common practice is to start with metformin first and then add on any of these other drugs in discussion with your physician.
临床路径通常为起始时首先加用二甲双胍，然后与医生共同讨论决定加用上述哪一类药物。