13-09-27 Assessing the risk posed to aquatic organisms by the discharge of certain steroids（类固醇） and pharmaceutical products into waterways is often based on a belief that as the compounds degrade, the ecological risks naturally decline. But there's gro...

10-01-12 Retired US baseball star Mark McGwire has admitted using steroids during his career, including when he broke the sport's home run record in 1998. 美国退役棒球明星马克麦奎尔承认在自己的职业生涯中使用类固醇，包括打破1998年全垒打记录的时候。 Mr McGwire...