add-on

汉语翻译

【经】 比例附加, 比例运价

英语解释

名词 add-on:

a component that is added to something to improve it同义词：addition, improvera supplementary component that improves capability同义词：accessory, appurtenance, supplement

动词 add-on:

make an addition同义词：add onadd to the very end同义词：append, add on, supplement, affix