酶是一种生物催化剂。

Enzymes are a biological catalyst.

这次会议成为了变革的催化剂。

The meeting became a catalyst for change.

这本书成为了他事业的催化剂。

The book became the catalyst for his career.

他的演讲是这场运动的催化剂。

His speech was the catalyst for the movement.

他们的合作是成功的催化剂。

Their collaboration was the catalyst for success.

实验中使用了氧化铜作为催化剂。

The experiment used copper oxide as a catalyst.

催化剂可以降低反应的活化能。

A catalyst can reduce the activation energy of a reaction.

酶在我们体内充当天然的催化剂。

Enzymes act as natural catalysts in our bodies.

催化剂常常用于氢化反应过程中。

Catalysts are often used in the hydrogenation process.

团队合成了一种新的介孔的催化剂。

The team synthesized a new mesoporous catalyst.