terpenoid backbone biosynthsis terpenoid metabolic process terpenoid glycosides terpenoid-quinone 翻译 terpenoids音标 terpenoid翻译 terpenoid backbone合成 terpenoid pathway terpenoid biosynthetic process terpenoid terpenoid backbone biosynthesis terpenoid biosynthesis terpenoides terpenoid synthase terpenoids翻译 terpenoid backbone翻译 terpenoid-quinone terpenoids and polyketides terpenoid backbone terpenoids terpenoid quinone terpenoid lactones