来自catalyse，催化。

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.