reaction

B1 CET-4 Oxf 3000 大学 FREQ #2934 ★★★★☆

n. 反应, 反作用, 反动 [医] 反应

发音

US /ɹiˈækʃən/

词形变化

reactions 复数 reactions

别名

reax rxn reäction RICE

教材释义与例句

名词

反应，感应；反动，复古；反作用

释义与例句

n. B1 Oxf 3000
  1. 1.

    An action or statement in response to a stimulus or other event.

    反应

    反动

    The announcement of the verdict brought a violent reaction.

    You were in the courtroom. What is your reaction?

    When I last tried to eat strawberries I had a terrible allergic reaction.

  2. 2.

    A transformation in which one or more substances is converted into another by combination or decomposition.

    反应

    化学

    In this reaction, the acid and base will neutralize each other, producing a salt.

  3. 3.

    Reactionary politics; a period in which reactionary thought or politics is resurgent or dominant.

    政治
  4. 4.

    Unpurposeful behavior.

    金融
  5. 5.

    An icon or emoji appended to a posted message by a user to express their feeling about it.

词汇关系

名词

同义词 2

response chemical reaction

上位词 10

thought idea force response activity resistance opposition conservatism bodily function bodily process

下位词 10

answer passing passage breakdown rebound reduction reflex taxis equilibrium decomposition

相关短语

chain reaction 连锁反应 [化] 链反应; 链式反应 reaction mechanism [化] 反应机理; 反应历程 reaction turbine [机] 反动式涡轮机, 压力涡轮机, 不等压涡轮机 reaction vessel [化] 反应锅; 树脂反应锅 reaction engine 喷气发动机 reaction mixture reaction time [生理] 反应时间 reaction vessels reaction turbines reaction mixtures reaction save reaction mechanisms reaction engines reaction saves reaction times (reaction-time 的复数) [生理] 反应时间

词源

Inherited from Middle English reaccion, from Old French reaction, from Latin reāctiō, from the verb reagō, from re- (“again”) + agō (“to act”); more at re-, action; equivalent to react + -ion.

来源：wiktionary