catalyst
CET6 托福 雅思 GRE ★★★★★n. 名词 触媒, 接触剂, 催化剂, 刺激因素, 促进因素
📖 词典释义
(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
催化剂;加速剂;触媒
something that causes an important event to happen
(暂无独立中文释义)
触媒, 接触剂, 催化剂, 刺激因素, 促进因素 整体释义(词典合并,未细分义项)
[计] 催化剂
词性说明:n.=名词,v.=动词,vt.=及物动词,vi.=不及物动词,adj.=形容词,adv.=副词,prep.=介词,conj.=连词,pron.=代词,num.=数词,art.=冠词,int.=感叹词
🔁 词形变化
💬 常用例句
The catalyst system efficiency is below the threshold.
The devastating loss became the catalyst for personal growth.
First, I'd like to examine the catalyst used in this experiment.
例句来自 Tatoeba 语料(CC BY 2.0 FR),中文释义为参考翻译。
💡 学习提示
“catalyst” 属于非词根单词,不在 25 个核心词根体系内,但同样是高频常用词。 想从零系统学习词根?试试 零基础入门教程, 或浏览全部词根。