音標發(fā)音英式音標 [ba???t.?k ??n.deks]美式音標 [ba??ɑ?.t??k ??n.deks]英式發(fā)音 美式發(fā)音 基本解釋生物指數(shù)。同根派生 biotic index相關(guān)詞英英字典劍橋英英字典 a way of measuring the pollution (= dirty substances) in water, e.g. a river, by counting the organisms in itbiotic index劍橋字典biotic index柯林斯字典