1. 类固醇(运动员服用后可增强体力)
A steroid is a type of chemical substance found in your body. Steroids can be artificially introduced into the bodies of athletes to improve their strength.

1. any hormone affecting the development and growth of sex organs

Synonym: steroid hormonesex hormone

2. any of several fat-soluble organic compounds having as a basis 17 carbon atoms in four rings
many have important physiological effects