heptafulveneWiktionary 原文英美构词拆解heptahepta-前缀fulvenefulvene词干hepta-Seven.词源说明From hepta- + fulvene.释义名词noun1(organic chemistry) the hydrocarbon methylenecycloheptatriene or any of its derivatives2(organic chemistry) any heterocyclic analogue of these compounds同族词相关词 1