| 单词 | pyrrole |
| 释义 | pyrrole /pirˈōl/ (chem)nounA colourless toxic liquid found in many naturally-occurring compounds, eg porphyrins and chlorophyll ORIGIN: Gr pyrros flame-coloured, and L oleum oil pyrrolidine /pi-rolˈi-dēn/ noun A colourless strongly alkaline heterocyclic base, C4H9N, both occurring naturally and produced from pyrrole |
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