In chemistry, a catalytic substance or a substance with catalytic properties is a substance which increases the speed of a chemical reaction.
例句
...carbon molecules with unusual chemical and catalytic properties.具有特殊化学性质和催化性的碳分子
ADJ-GRADED
催化性的;促进性的;刺激性的
If you describe a person or thing as having a catalytic effect, you mean that they cause things to happen or they increase the speed at which things happen.
例句
Governments do, however, have a vital catalytic role in orchestrating rescue operations.然而,政府在组织协调救援行动上确实发挥了重要的促进作用。