单词 | unburnt |
例句 | DEFINITIVE EXAMPLES 权威例句Ozone, produced by the photochemical reaction of sunlight with unburnt hydrocarbons, and carbon monoxide emissions are rising inexorably.臭氧是由阳光和未燃烧的碳化氢光化作用生成,并且一氧化碳排放量不可抗拒地升高。剑桥国际 |
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