单词	main sequence
释义	main sequence noun : the group of stars that on a graph of spectrum versus luminosity forms a band comprising 90 percent of stellar types and that includes stars representative of the stages a normal star passes through during the majority of its lifetime Example Sentences Recent Examples on the Web In this case, the researchers propose looking at K-dwarfs (a set of relatively cold stars in the main sequence) that are local by astronomy standards. Chris Lee, Ars Technica, 17 Jan. 2022 Stars spend a majority of their lives in the main sequence phase. Jennifer Leman, Popular Mechanics, 13 June 2020 There are many different types of main sequence stars. Jennifer Leman, Popular Mechanics, 13 June 2020 Our sun, a yellow dwarf, is currently in the main sequence stage of its life. Jennifer Leman, Popular Mechanics, 17 Feb. 2020 Along with main sequence and white dwarf stars, other groups include dwarfs, giants, and supergiants. Catherine Zuckerman, National Geographic, 20 Mar. 2019 Most of the stars in our galaxy, including the sun, are categorized as main sequence stars. Catherine Zuckerman, National Geographic, 20 Mar. 2019 See More Word History First Known Use 1925, in the meaning defined above
随便看	breaks off breaks off (with) breaks off with breaks open breaks out breaks out (of) breaks out (with) breaks out of breaks out with breaks the law breaks through breaks up breaks with breakstone breakstones breakthrough breakthrough cases breakthrough infection breakthroughes breakthroughs breakup breakup value breakups breakwater breakwaters

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。