supplement

supplement
noun
  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
verb
  1. [with obj.]add an extra element or amount to
    增补，补充
    she took the job to supplement her husband's income.
    她接受这份工作补贴丈夫的收入。
派生
supplemental
adjective
supplementally
adverb
supplementation
noun
语源
  1. late Middle English: from Latin supplementum, from supplere 'fill up, complete' (see supply)
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