| 单词 | pollution-free |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔greatly〕People would benefit greatly from a pollution-free vehicle.人们会从无污染车辆中获益良多。外研社新世纪〔greatly〕People would benefit greatly from a pollution-free vehicle.人们将享受到无污染汽车的诸多好处。柯林斯高阶〔quiet〕Electric cars are quiet and pollution-free.电车噪声小，而且无污染。麦克米伦高阶The trolleybus's major advantages are that it is quiet and pollution-free.无轨电车的主要优点是安静且没有污染。剑桥国际 |
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