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catalyst

catalyst
[英] [ˈkætlɪst] [美] [ˈkætlɪst] 生词本

n.

  • 柯林斯高阶英汉双解学习词典

  • 英英释义

  • 行业释义

  • 词典例句

1. N-COUNT 催化剂;诱因;诱导者 You can describe a person or thing that causes a change or event to happen as a catalyst . 

  • I very much hope that this case will prove to be a catalyst for change...

    我非常希望这起事件能催生变革。

  • He said he saw the bank's role as a catalyst to encourage foreign direct investment.

    他说，他认为银行就应该起到刺激外国直接投资的作用。

2. N-COUNT (化学)催化剂 In chemistry, a catalyst is a substance that causes a chemical reaction to take place more quickly. 
Noun

1. (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected

2. something that causes an important event to happen;

  • "the invasion acted as a catalyst to unite the country"

体育

  • 1.催化剂

农学

<名>
  • 1.催化剂

冶金学

<名>
  • 1.催化剂

化学

<名>
  • 1.催化剂

化工

<名>
  • 1.催化剂

医学

  • 1.催化剂：能引起催化作用的任何物质

航天

<名>
  • 1.催化剂

计算机

  • 1.催化剂，触媒
1. A catalyst is a substance which speeds up a chemical reaction.
催化剂是一种能加速化学反应的物质。

来自《简明英汉词典》

2. It acts as a catalyst in the process of fermentation.
它在发酵过程中起触媒的作用。

来自《简明英汉词典》

3. The workers' demand for better conditions was a catalyst for social change.
工人们要求改善工作条件促进了社会变革。

来自《简明英汉词典》