英 [ˈæd ɒn]
附加物：作为补充添加到另一物品上的一件东西。
插件：计算机术语，指的是增加计算机功能的插件。
附加费：额外的金额或费用。
add on // [ adding added adds ]
动词词组 If one thing is added on to another, it is attached to the other thing, or is made a part of it. 加上
Vacationers can also add on a week in Florida before or after the cruise.
度假者们还可以在游船旅行前后加上在佛罗里达的一周。
动词词组 If you add on an extra amount or item to a list or total, you include it. 附加
Many loan application forms automatically add on insurance.
许多贷款申请表自动附加保险。
动词词组 If you add on, you increase the size of a house or other building by constructing one or more extra rooms. 扩建
Investors who cannot afford a larger property now can add on when they have more money.
现在买不起更大房产的投资者们可以在他们有更多钱时进行扩建。
a supplementary component that improves capability
同义词： accessory / appurtenance / supplement / add-on
make an addition
add to the very end
同义词： append / supplement / affix
... with the exception of除。。。以外 add on另外加上去 by the way顺便提一下，另外 ...
... add insult to injury 伤害之余又侮辱 add on 另加的 add to 增加 ...
... add in算入；包括 add on附加；包括 machinery机械（总称） ...
... act on 根据…行事 add on 加上，附加 agree on vtr (decide mutually on) 在…问题上意见统一，就…达成一致 ...
Vacationers can also add on a week in Florida before or after the cruise.
度假者们还可以在游船旅行前后加上在佛罗里达的一周。
Investors who cannot afford a larger property now can add on when they have more money.
现在买不起更大房产的投资者们可以在他们有更多钱时进行扩建。
Many loan application forms automatically add on insurance.
许多贷款申请表自动附加保险。
And,finally,do not add diseased vegetable plants to the pile if the compost will be used on a vegetable garden.
VOA : special.2009.06.23
I'm going to start with the simplest example and slowly add on bells and whistles and make it more and more complicated.
我会从最简单的例子开始,逐渐增加难度,让问题越来越复杂
基础物理课程节选 : 耶鲁公开课
So, we need to actually add on this fourth quantum number, 1/2 and it's either going to be plus 1/2 or negative 1/2.
所以我们需要加上这第四个量子数，它等于1/2或者负的。
化学原理课程节选 : 麻省理工公开课
Officials in Giles County say they may put the Ten Commandments back on the walls of the schools but will add other historical documents.
VOA : special.2011.03.17
Add to the list his skill on the banjo.
VOA : special.2009.07.17
These are factors that can add on to the base offense level, which results in a higher sentence.
Some volunteers add on a week's vacation and then deduct a prorated part of the airfare.
We bought tier two today around 101.50 and will add on a 60min close above 103.