英文缩写 sup，全称 Supplement，sup在美语口语里意思是“怎么了？”。
supplement
简单释义
英 [ˈsʌplɪm(ə)nt]美 [ˈsəpləmənt]
n.
增补物，补充物；【几何】补角
v.
增补，补充
详细释义
n.
1
something which completes or enhances something else when added to it
增补物，补充物
the handout is a supplement to the official manual.
这本分发的印刷品是官方手册的补充。
a substance taken to remedy the deficiencies in a person's diet
补给品，补品
multivitamin supplements.
多种维生素补品。
a separate section, especially a colour magazine, added to a newspaper or periodical
（尤指报纸，期刊的彩色）增刊。
an additional charge payable for an extra service or facility
额外服务费用
the single room supplement is￡2 per night.
每间单人房每晚收2英镑的额外服务费用。
2
Geometry the amount by which an angle is less than 180°
【几 何】 补角。
v.
1
add an extra element or amount to
增补，补充
she took the job to supplement her husband's income.
她接受这份工作以补贴丈夫的收入。
派生词
supplemental adjective, supplementally adverb, supplementation noun.
词源
late Middle English: from Latin supplementum, from supplere ‘fill up, complete' (seesupply1 ).
我回答了个Not much，可以么
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