catalyst

名詞

1. 1

   催化劑、觸媒化學

   The reaction speeds up considerably when a catalyst is added.

   加入催化劑後，反應速度明顯加快。

2. 2

   催化劑、促成因素、導火線

   Her speech became the catalyst for widespread political change.

   她的演講成為廣泛政治變革的催化劑。