Astronomers have revealed details of mysterious signals emanating from a distant galaxy, picked up by a telescope in Canada.The precise nature and origin of the blasts of radio waves is unknown.Among the 13 fast radio bursts, known as FRBs, was a ver…
Elaborate 精心的 preparations were being made for the Prime Minister’s official visit to the four foreign countries. This local evening paper has a circulation 发行量 of twenty-five thousand. Susan loves chocolate so much that she can hardly resist its tem…
