supplement

英 ['sʌplɪm(ə)nt] 美['sʌplɪmənt]

• vt. 增补，补充
• n. 增补，补充；补充物；增刊，副刊

1. textual matter that is added onto a publication; usually at the end

2. a quantity added (e.g. to make up for a deficiency)

3. a supplementary component that improves capability