catalyst

中文意思

• n. 催化剂
• n. 促进因素

英文释义

• n. (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
• n. something that causes an important event to happen

词形变化

复数

catalysts

例句

1. n. 催化剂

   The chemist added a catalyst to speed up the reaction in the lab.

   化学家在实验室里加入了一种催化剂来加快反应速度。

2. n. 促进因素

   The new government policy acted as a catalyst for local business growth.

   这项新的政府政策成为了当地企业发展的促进因素。