a hormone (= a chemical made by living cells) that causes muscle and bone growth. Anabolic steroids are sometimes used illegally by athletes competing in sports competitions蛋白同化甾类,促蛋白合成类固醇(一种促进肌肉和骨骼生长的人工荷尔蒙,有时被运动员作为兴奋剂违禁使用)
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