单词	ejecta
释义	ejecta noun ejec·​ta i-ˈjek-tə  plural in form but singular or plural in construction : material thrown out (as from a volcano) Example Sentences Recent Examples on the Web Initially, as the bottle is uncorked, the gas mixture is partially blocked by the cork, so the ejecta can't reach the speed of sound. Jennifer Ouellette, Ars Technica, 8 June 2022 That rapid spin would have briefly counteracted the gravitational collapse just long enough to produce a fast tail of heavy kilonova ejecta, which drove the shock wave. Jennifer Ouellette, Ars Technica, 3 Mar. 2022 As that heavy ejecta decelerated over time, its kinetic energy was converted into heat by the shocks. Jennifer Ouellette, Ars Technica, 3 Mar. 2022 Initially, some of the ejecta would be moving at high velocity (bullet speeds). Kyle Mizokami, Popular Mechanics, 24 June 2021 Some ejecta would move laterally, some would travel upward then fall back down up to 91 m from the impact site. Kyle Mizokami, Popular Mechanics, 24 June 2021 The area Zhurong will study first features large sand dunes and boulders, possible ejecta from nearby impact craters. David Bressan, Forbes, 20 May 2021 But a little bit of ejecta, the bits moving fastest after DART’s impact, could reach Earth’s sky relatively quickly and give scientists an opportunity to see the asteroid’s makeup. Michael Ruiz, Fox News, 14 May 2020 The ejecta curtain, or plume of material created by the impact, never fully detached from the surface, according to the study. Ashley Strickland, CNN, 19 Mar. 2020 See More Word History Etymology New Latin, from Latin, neuter plural of ejectus First Known Use 1886, in the meaning defined above Medical Definition ejecta noun ejec·​ta i-ˈjek-tə  : matter (as vomit) ejected from the body
随便看	promptest prompting promptings promptitude promptitudes promptive promptlier promptliest promptly promptness promptnesses prompts promptscript promptuaries promptuary prompture proms promulgate promulgated promulgates promulgating promulgation promulgations promulgator promulgators

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