喜樂美語
  1. 1
    nB2

    /rɪˈdʌkʃən/

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

    減少；降低

    複數 reductions

    例句逐字對照、搭配詞、易混淆字

    這一義的完整解析還沒打開。訂閱後可以看到例句怎麼拆、常跟哪些字一起出現， 以及容易跟它搞混的字。

    看看訂閱內容

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」…更多收起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。

原始詞典資料12 筆記錄

以下是外部詞典記錄的用法，原文照列，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.

資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。