| 单词 | step change |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔step change〕His speech called for a step change in attitudes to the environment in the 21st century.他的演讲呼吁在 21 世纪彻底改变对待环境的态度。牛津高阶〔step change〕The new law marks a step change in our programme for reforming public services.这条新法规标志着我们公共事业改革方案中的重大变革。朗文当代〔step change〕There is a step change taking place in communications technology.通讯技术取得了较大的变化。剑桥高阶〔step change〕We now need a step change in our secondary schools to match that achieved in our primaries.我们现在需要大力改革中学，以便与我们在小学里所取得的成果同步。柯林斯高阶There has been a step change in production levels—up 48%.产量水平发生了巨大变化 ── 上升了 48%。牛津商务 |
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