steroid
/ˈsterɔɪd, ˈstɪərɔɪd; `stɛrɔɪd, `stɪrɔɪd/ n
(chemistry 化) any of a number of organic compounds naturally produced in the body, including certain hormones and vitamins 甾族化合物; 类固醇
He's being treated with steroids for leukaemia. 他因患白血病正在接受类固醇治疗.