NAD /næd/ 📖 中文释义 [化] 烟酰胺腺嘌呤二核苷酸; 辅酶I 📘 English Definition(英文释义) n a coenzyme present in most living cells and derived from the B vitamin nicotinic acid; serves as a reductant in various metabolic processes ← nacubo N 字母词表 NAD,CoI,DPN →