The company offers scuba-ping as an add-on to the basic holiday price.
这家公司提供戴水肺潜水活动，费用不含在基本度假费用内。
add-on software(= added to a computer)
计算机附加软件
1.〈口〉分期付款方式
1.something that is added to something else; a computer program or a piece of computer equipment that you can add to a computer in order to increase the number of things it is able to do
1.If be remained only a few when, color thicken, feculence , can add on a bit alcohol diluent, restore original colour and lustre.
假如只剩下少量时，颜色变浓、变浊，可以加上一点乙醇冲淡，恢复原有色泽。
2.There's a bit of a trade-off of course, because maybe the online merchants have to add on shipping fees.
这当然也有另一面，因为可能在线商户必须支付一定的运费。
3.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。
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 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。
6.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。
7.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。
8.With the Add-On a Flex application test can be planed and executed to simulate the true nature of Flex Applications.
利用这个配件，可以设计和执行一个Flex应用测试，来模拟Flex应用的真实情况。
9.These methods allows you to hook into the lifecycle of the add-on, which is managed by the underlying Roo OSGi container.
这些方法允许您挂接到附加组件的生命周期，这通过底层RooOSGi容器管理。
10.If you do not add on to a current position but your stop moves up along with your trade, then you are locking in profits.
如果你没有把他们加入到当前仓位但你在交易过程中向上移动了你的止损，这样你就可以锁定利润。