单词	beryllium
释义	beryllium noun be·​ryl·​li·​um bə-ˈri-lē-əm  : a chemical element of the alkaline earth metal group with atomic number 4 that occurs naturally in minerals such as beryl and is steel-gray in color, light and strong but brittle, and is used chiefly as a hardening agent in alloys see Chemical Elements Table Example Sentences Recent Examples on the Web Its beryllium was used in the Spitzer Space Telescope, which launched in 2003 and was retired in 2020. Sean Mcdonnell, cleveland, 15 July 2022 Smith said beryllium fit the bill for NASA for a few reasons. Sean Mcdonnell, cleveland, 15 July 2022 Webb – an international venture with the European Space Agency (ESA) and Canadian Space Agency – is the first telescope in space to use segmented primary mirrors, like the primary mirror's 18 hexagonal, beryllium segments. Julia Musto, Fox News, 17 Mar. 2022 The plant received uranium, thorium and beryllium ores between the 1940s and 1967, which is the same year Colonia High School was built. Audrey Conklin, Fox News, 19 Apr. 2022 At Marion Manufacturing, Johnson this year is spending several hundred thousand dollars on new factory equipment to turn stainless steel and beryllium copper into a variety of industrial parts. David J. Lynch, Washington Post, 4 June 2022 The first telescope in space to use segmented primary mirrors, Webb’s main mirror—which measures 21-feet, 4-inches/6.5-meters—has eight hexagonal segments made from beryllium. Jamie Carter, Forbes, 17 Mar. 2022 The earphones feature a detachable high-spec cable with beryllium and Copper MMCX connectors. Mark Sparrow, Forbes, 4 May 2022 These contain toxins such as mercury, lead, beryllium, and arsenic, which can be harmful to the environment and our health. Miriam Porter, House Beautiful, 22 Apr. 2022 See More Word History Etymology New Latin, from Greek bēryllion First Known Use circa 1847, in the meaning defined above Medical Definition beryllium noun be·​ryl·​li·​um bə-ˈril-ē-əm  : a steel-gray light strong brittle toxic bivalent metallic element used chiefly as a hardening agent in alloys —symbol Be see Chemical Elements Table
随便看	brick trimmer brick trowel brick up brick veneer brick wall brick walls brick-and-mor brick-and-mortar brick-nogged brickbat brickbats bricked bricked up Brickellia brickelliae brickellias bricker brickest brickfield brickfielder brickfields brickie brickier brickies brickiest

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。