单词	performance-enhancing drug
释义	performance-enhancing drug noun : a substance (such as an anabolic steroid, human growth hormone, or erythropoietin) that is used illicitly to improve athletic performance In the United States, more than 1 million elite and recreational athletes use performance-enhancing drugs for muscle building purposes. Josiah D. Rich et al. …33 of the 48 major and minor league players suspended by baseball for using performance-enhancing drugs since the start of 2006 were pitchers. Sean Gregory Roger Bannister, the first person to run a subpar four-minute mile, said today he thought that increased use of blood testing could help curb the use of performance-enhancing drugs by track and field athletes. The New York Times —abbreviation PED Word History First Known Use 1973, in the meaning defined above
随便看	dibbles dibbling dibbuk dibbuks dibenz- dibenzo- dibenzofuran dibenzofurans dibhole diborane Dibotryon dibrach dibraches dibrachs dibranch dibranches Dibranchia dibranchiae dibranchias Dibranchiata dibranchiatae dibranchiatas dibranchiate dibranchiates dibranchs

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。