音標(biāo)發(fā)音英式音標(biāo) [?v?t.?.m?n ?bi??tu?]美式音標(biāo) [?va?.t??.m?n ?bi??tu?]英式發(fā)音 美式發(fā)音 基本解釋維生素B2。同根派生 vitamin B2相關(guān)詞英英字典劍橋英英字典 a vitamin found in foods such as liver, milk, cheese, yeast, and whole grains. It is important for the production of energy in the cells and for the production of particular hormones.vitamin B2劍橋字典vitamin B2柯林斯字典