malonylurea /mә,lɔni'lju:riә/ 📖 中文释义 n. [化]丙二酰脲, 巴比土酸 📘 English Definition(英文释义) n a white crystalline acid derived from pyrimidine; used in preparing barbiturate drugs ← malonylguanidine M 字母词表 maloof →