add-on中文什么意思

n.
〔口语〕分期付款方式。

• add:    ADD ＝ American Dia ...
• add as:    加入为; 添加为
• add in:    加进，插入; 添加

英文释义

名词

1. a supplementary component that improves capability
   同义词：accessory, appurtenance, supplement
2. a component that is added to something to improve it; "the addition of a bathroom was a major improvement"; "the addition of cinnamon improved the flavor"
   同义词：addition, improver