| 单词 | carbene | 
| 释义 | carbenenoun  car·bene   ˈkärˌbēn    plural -s   1   : one of the components of bitumen soluble in carbon disulfide but insoluble in carbon tetrachloride  —usually used in plural   compare asphaltene   2   : any of a class of usually highly reactive chemical compounds containing an uncharged divalent carbon atom that are formed especially as intermediates in chemical reactions   | 
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