photopyroneWiktionary 原文英美构词拆解photophoto-前缀pyronepyrone词干photo-light, electromagnetic radiation · photography词源说明From photo- + pyrone.释义名词noun1(organic chemistry) The ketone 3-hexyl-4-hydroxy-6-(2-methylpropyl)pyran-2-one (and related compounds) that at as quorum sensing signals in Photorhabdus