| 单词 | stepped-up |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔conservation〕The expensive fuel costs are forcing stepped-up conservation efforts by all airline companies.高昂的燃料费用迫使着所有的航空公司加强为防止浪费所作的努力。英汉大词典〔step up〕There are reports of stepped-up fighting in El Salvador.有报道称萨尔瓦多的战斗已经升级。柯林斯高阶〔stepped-up〕Israel's stepped-up military campaign以色列逐步加强的军事攻势外研社新世纪 |

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