单词	carbon negative
释义	carbon negativeˌcarbon ˈnegative adjective if an organization, activity, or thing is carbon negative, it takes more carbon dioxide out of the air than it produces:  We eventually hope to develop a range of carbon negative construction products.
随便看	unsympathetic unsympathetically untainted untamed untangle untapped untenable untested unthinkable unthinking unthinkingly untidily untidiness untidy untie until untimely untiring untitled unto untold untouchable untouched generational generation gap

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