catalyst是什么意思 catalyst的用法 catalyst怎么读
catalyst
英 ['kæt(ə)lɪst]美 ['kætəlɪst]
n. [物化] 催化剂；刺激因素
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星级词汇:★★
中文词源
catalyst 催化剂
来自catalyse，催化。
英语词源
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.权威例句
1. I see my role as being a catalyst for change.
我认为我的角色是促成变革。
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.
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.
4. It acts as a catalyst in the process of fermentation.
它在发酵过程中起触媒的作用.
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.
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[ catalyst 造句 ]
