catalyst
                
          英 ['k?t(?)l?st]
美 ['k?t?l?st]
        
                
        
                
                中文詞源
        
        catalyst 催化劑來自catalyse,催化。
 
                英文詞源
        
        - catalyst (n.)
- "substance which speeds a chemical reaction but itself remains unchanged," 1902, formed in English (on analogy of analyst) from catalysis. Figurative use by 1943.
雙語例句
        
        - 1. I see my role as being a catalyst for change.  
- 我認為我的角色是促成變革。
來自《權威詞典》
 
- 2. The workers'demand for better conditions was a catalyst for social change. 
- 工人們要求改善工作條件促進了社會變革.
來自《簡明英漢詞典》
 
- 3. A catalyst is a substance which speeds up a chemical reaction. 
- 催化劑是一種能加速化學反應的物質.
來自《簡明英漢詞典》
 
- 4. It acts as a catalyst in the process of fermentation. 
- 它在發酵過程中起觸媒的作用.
來自《簡明英漢詞典》
 
- 5. An example of the table on a Catalyst switch is shown in Example 4 - 3 . 
- 范例 4-3 示范了一個Catalyst交換機上顯示的網橋MAC地址表.
來自互聯網