| 词汇 | add on something | 
| 释义 | add on something  phrasal verb with add verb [ I or T ] uk/æd/ us/æd/  mainly US (also add on to sth)增加;添加;扩建  to include or build something extra  We’ve added on a couple of rooms to the house. 我们扩建了这座房子,增加了两个房间。   You will need a different kind of building permit if you are adding on to the existing structure.  It was an old house that had been added on to.  We'll add on a second bathroom as soon as we have the money. add-on  noun [ C ] uk/ˈæd.ɒn/ us/ˈæd.ɑːn/  (电脑)附加设备,附件 a piece of equipment that can be connected to a computer to give it an extra use  A printer is a useful add-on. 打印机是个很有用的电脑附加设备。   (尤指正式计划、制度、协议等的)附加部分,附加项目 an extra part that is added, especially to an officially organized plan, system, agreement, etc.  Legal expenses cover is often sold as an add-on to household insurance policies. 诉讼费用险经常作为家庭财产保险的附加险出售。  | 
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