| 单词 | 触媒 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔catalyst〕One that precipitates a process or event, especially without being involved in or changed by the consequences.触媒：加速一个过程或事件的进度，但自身并未卷入或不被其后果改变的物质美国传统〔medium〕An intervening substance through which something else is transmitted or carried on.介质，触媒：通过它能传递或继续某种事物的中介物质美国传统 |
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