| 词汇 | step change |
| 释义 | step change noun [ C ] mainly UK uk/ˈstep ˌtʃeɪndʒ/ us/ˈstep ˌtʃeɪndʒ/ 阶跃变化，步进变化（在某一局势下，比常规大得多的变化） a change in a situation that is much bigger than usual There is a step change taking place in communications technology. 通讯技术取得了较大的变化。 |
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