catalyst
/'kætәlist/
进阶词汇基础词汇
词频: #7,915

中文释义

n. 触媒, 接触剂, 催化剂, 刺激因素, 促进因素

[计] 催化剂

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