单词
catalyst
读音
ˈkætəlɪst
美式
英式
词根
"Catalyst"的词根是来自于希腊语，"cata-"意为"down"，"-lysis" 是“loosening, dissolving”。该词首次出现在1902年，由化学家J.J. Berzelius创造，用以描绘物质在化学反应中起的作用。
释义
n. [物化] 催化剂；刺激因素 [ 复数 catalysts ]
例句
Many policy makers insist that consumer spending is a strong economic catalyst and, therefore, a paucity of retail stores is a contributing factor to low-performing economies.
许多政策制定者坚持认为，消费者支出是一个强大的经济催化剂，因此，零售商店稀缺是经济表现不佳的一个促成因素。
I see my role as being a catalyst for change.
我认为我的角色是促成变革。
I very much hope that this case will prove to be a catalyst for change.
我非常希望这件事终将成为促成变化的催化剂。
Many policy makers insist that consumer spending is a strong economic catalyst and, therefore, a paucity of retail stores is a contributing factor to low-performing economies.
许多政策制定者坚持认为，消费者支出是一个强大的经济催化剂，因此，零售商店稀缺是经济表现不佳的一个促成因素。
I see my role as being a catalyst for change.
我认为我的角色是促成变革。
I very much hope that this case will prove to be a catalyst for change.
我非常希望这件事终将成为促成变化的催化剂。
强化记忆
想象一个化学实验室的情景，“cata”和“-lyst”分别代表“化学反应”和“触媒”，两者浑然一体，加速反应。"Cata"像猫(Cat)，"Lyst"像列表(List)，想象一只猫正在阅读催化剂清单，触媒加速了化学反应的过程，就像这只猫在寻找加速它抓老鼠的方法。"拔山扳倒"的观念是从化学领域借用过来的，原意是一种能改变化学反应速率但最终不被消耗的物质。1902年，Swedish chemist J.J. Berzelius首次使用它。
看视频学发音
WPR: Could you talk a little bit about your work nowand what is General Catalyst, General Catalystwhat are you looking to do with that organization?
but is also now chairman of Healthcare Assurance Initiativesfor General Catalyst.Obviously, we were devastated about what happened.
and overall well-beingis a huge catalyst.It's no secret I'm a soccer fan,
And so the buying of green products that demand signal,what I call Catalyst,we're going to have to orchestrate a lot of money,
do you get on to that learning curve.And so Catalyst will fundthe early pilot projects
所属分类
大学,出国,其他
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