12-03-22 A little black dress is dress typically short on both top and bottom, with little decoration, and useful for nearly any occasion. It is minimal to call attention to the wearer without distracting. Little black dress（多译作小礼服）指上下裁剪都较短的...

10-05-26 A team of astronomy researchers at Rochester Institute of Technology, Florida Institute of Technology and University of Sussex in the United Kingdom, find that the supermassive black hole ( SMBH超重黑洞 ) at the center of the most massive local gala...