喜樂美語
  1. 1nB2/rɪˈdʌkʃən/減少；降低

    A fall in the size, price, number, or amount of something, or the act of making something smaller.

    示範例句 · Example

    The shop had a big reduction on winter coats after the holidays.

    逐字假期後，那家店對冬天的外套有很大的減價。

    reduction 是動詞 reduce 的名詞，指「變少、變小、變低」這件事。最常見的句型是 reduction in（某數量下降），還有 reduction of 和 reduction on（打折）。談價格、數量、程度變化時很好用。

    常見搭配

    • a reduction in something

      某事物的下降

      a fall in the amount or level of something

      There has been a reduction in the number of cars in the city center.

    • a sharp/significant reduction

      急劇／明顯的下降

      a large, easy-to-notice fall

      The new rule brought a significant reduction in accidents.

    • a price reduction

      降價

      a lowering of the price of something

      Shoppers waited for the big price reduction before the sale ended.

    意思相反

    increaserisegrowth

core核心畫面

You can picture a line on a chart down, or a price tag crossed out and rewritten lower. Reduction is the name for that downward move itself — how much smaller something got, or the act of making it smaller.

可以想成圖表上的線往下掉一階，或是價錢牌上舊數字被劃掉、改寫成比較小的數字。reduction 就是在替這個「往下」的動作命名：東西變小了多少，或是把它弄小這件事。

同家族的字

複數 reductions

意思相反

increaserisegrowth

原始詞典資料12 筆記錄

以下是外部詞典記錄的用法，摘錄並精簡格式，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。

reductionnoun/ɹɪˈdʌk.ʃən/

  • 1

    The act, process, or result of reducing.

    • With the cutting out of the previous recovery times for electrification work, curtailment of station times and acceleration, considerable reductions have been made in the overall schedules.
  • 2

    The amount or rate by which something is reduced, e.g. in price.

    • A 5% reduction in robberies
  • 3

    chemistrynatural-sciencesphysical-sciencesA reaction in which electrons are gained and valence is reduced; often by the removal of oxygen or the addition of hydrogen.

  • 4

    cookingfoodlifestyleThe process of rapidly boiling a sauce to concentrate it.

  • 5

    mathematicssciencesThe rewriting of an expression into a simpler form.

  • 6

    computingcomputing-theoryengineeringA transformation of one problem into another problem, such as mapping reduction or polynomial-time reduction.

  • 7

    entertainmentlifestylemusicAn arrangement for a far smaller number of parties, e.g. a keyboard solo based on a full opera.

  • 8

    human-sciencesphenomenologyphilosophyA philosophical procedure intended to reveal the objects of consciousness as pure phenomena. (See phenomenological reduction.)

另外 4 個記錄的用法
  • 9

    medicinesciencesA medical procedure to restore a fracture or dislocation to the correct alignment, usually with a closed approach but sometimes with an open approach (surgery).

    • closed reduction
    • open reduction and internal fixation
  • 10

    A reduced price of something by a fraction or decimal.

  • 11

    artscraftsengineeringThe ratio of a material's change in thickness compared to its thickness prior to forging and/or rolling.

    • The final stage of thickness reduction (typically 90% from about 2mm to <0.2mm) is carried out by cold rolling.
  • 12

    historicalCatholicismChristianityRoman-CatholicismA religious settlement created during a mission by Spanish or Portuguese colonists with the intent of evangelizing Christianity to the local population.

    • Spanish reductions in Mexico were common during the 18th century.

摘錄自 英文維基詞典 English Wiktionary，已精簡格式；依 CC BY-SA 4.0 授權使用，改動後的內容同樣以此授權提供。