单词	gamma-ray burst
释义	gamma-ray burst noun variants or less commonly gamma ray burst : a brief, powerful jet of gamma rays detected deep in space that is generated by the collapse and explosion of a celestial object Eventually, though, the neutron star slows down, probably because of magnetic braking. Then it implodes, touching off a gamma ray burst. Govert Schilling —abbreviation GRB Example Sentences Recent Examples on the Web In addition to seven more binary black hole mergers, LIGO's second run, from November 30, 2016, to August 25, 2017, detected a binary neutron-star merger with a simultaneous gamma-ray burst and signals in the rest of the electromagnetic spectrum. Jennifer Ouellette, Ars Technica, 3 Mar. 2022 In each instance, the gamma-ray burst does not come from the explosion itself. Jonathan O'callaghan, Wired, 18 July 2021 As researchers explain in a new paper published in the journal Science, the typical distance of a gamma-ray burst from Earth is around 20 billion light-years. Mike Wehner, BGR, 4 June 2021 The stellar explosion, dubbed GRB 190829A, happened just 1 billion lightyears away in the constellation of Eridanus, which may seem like quite a hike, but the typical gamma-ray burst occurs 20 billion lightyears away. Paul Best, Fox News, 4 June 2021 Word History First Known Use 1973, in the meaning defined above
随便看	toll collector toll dish toll in toll plaza toll road toll the death knell toll travers toll traverse toll-free tolla tollage tollages tollbars tollbook tollbooth tollbooths tollbridges tolldishes tolled Toller tollers tollgate tollgates tollgatherer tollgathereres

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。