an additional piece of equipment connected to an electronic device, e.g. a computer, to supply auxiliary functions; a peripheral
an accessory or extension
| 单词 | add-on |
| 释义 | add-on1nounan additional piece of equipment connected to an electronic device, e.g. a computer, to supply auxiliary functions; a peripheral an accessory or extension add-on2adjof or being an add-on an add-on feature |
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