catalyst

英 ['kæt(ə)lɪst] 美['kætəlɪst]
  • n. [物化] 催化剂;刺激因素

GRETEM8IELTSTOEFLCET6低频词扩展词汇

词态变化


复数: catalysts;

中文词源


catalyst 催化剂

来自catalyse,催化。

英文词源


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.

双语例句


1. I see my role as being a catalyst for change.
我认为我的角色是促成变革。

来自《权威词典》

2. 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》

3. 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》

4. 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》

5. An example of the table on a Catalyst switch is shown in Example 4 - 3 .
范例 4-3 示范了一个Catalyst交换机上显示的网桥MAC地址表.

来自互联网