释义 |
thio·uracil \|thīō+\ noun Etymology: International Scientific Vocabulary thi- + uracil : a bitter crystalline compound C4H4N2OS that depresses the function of the thyroid gland; 2-mercapto-pyrimidin-4-ol; also : any of several of its derivatives (as methylthiouracil or propylthiouracil) |