| 单词 | harmful gas |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔INCREASE〕The changing world climate is probably due to a build-up of harmful gases such as carbon dioxide. 全球性的气候变化可能是二氧化碳等有害气体的积聚而引起的。朗文写作活用〔atmosphere〕We still let harmful gases escape into the atmosphere.我们还在让有害的气体泄漏进大气层。牛津同义词〔treaty〕We've signed/concluded a treaty with neighbouring states to limit emissions of harmful gases.我们和几个邻国签署／缔结了限制有害气体排放的条约。剑桥高阶We've signed/concluded a treaty with neighbouring states to limit emissions of harmful gases.我们已和邻国签署/缔结条约，限制排放有害气体。剑桥国际 |
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