| 单词 | pyrroline | 
| 释义 | pyrrolinenoun  pyr·ro·line   ˈpirəˌlēn, -lə̇n    plural -s     : either of two bases C4H7N intermediate between pyrrolidine and pyrrole; dihydro-pyrrole    especially : a fuming liquid obtained by reduction of pyrrole; 2,5-dihydro-pyrrole  | 
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