Home/oligotrophyoligotrophy/ol-i-go-truh-fee/US // ˌɒl ɪˈgɒ trə fi //少子化,寡头症,寡头政治,少数民族主义Definitionsn.名词 noun1 Ecology.: the state of being oligotrophic, or deficient in nutrients but high in oxygen.Level 5Browse all words →