heptaketideWiktionary 原文英美构词拆解heptahepta-前缀ketideketide词干hepta-Seven.词源说明From hepta- + ketide.释义名词noun1(organic chemistry) Any heptameric ketide2(organic chemistry) The sesquiterpenoid carboxylic acid 3-[(1S,2S,4aR,6R,8aS)-2,6-dimethyl-1,2,4a,5,6,7,8,8a-octahydronaphthalen-1-yl]propanoic acid