音標(biāo)發(fā)音英式音標(biāo) [?ju?.n?.v??.s?l ??n.d?.ke?.t?r]美式音標(biāo) [?ju?.n?.v??.s?l ??n.d?.ke?.t??]英式發(fā)音 美式發(fā)音 基本解釋(化學(xué)上用的)通用指示劑(用來測定物質(zhì)的酸堿性)。同根派生 universal indicator相關(guān)詞英英字典劍橋英英字典 a chemical solution made from a mixture of substances that produce many different colour changes according to different pH levels, used to discover how acid or alkaline something isuniversal indicator劍橋字典universal indicator柯林斯字典