英语词汇“quasar”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

　

单词	quasar
释义	Trends of quasar View usage for: quasar (kweɪzɑːʳ) Word forms: plural quasars countable noun A quasar is an object far away in space that produces bright light and radio waves. quasar in British English (ˈkweɪzɑː, -sɑː) noun any of a class of extragalactic objects that emit an immense amount of energy in the form of light, infrared radiation, etc, from a compact source. They are extremely distant and their energy generation is thought to involve a supermassive black hole located in the centre of a galaxy Word origin C20: quas(i-stell)ar (object) quasar in American English (ˈkweɪˌzɑr; ˈkweɪˌsɑr) US noun any of a number of starlike celestial objects that emit immense amounts of light and, often, radio waves, characterizedby having spectral lines with very large redshifts: quasars are thought to be the most distant and oldest observable objects in the universe Word origin < quas(i-stell)ar (radio source) Examples of 'quasar' in a sentence quasar It is the biggest black hole in the known universe and powers the brightest quasar in the cosmos. Times, Sunday Times (2015) The exact nature of quasars is not known but they are now believed to be the nuclei at the centre of galaxies. Times, Sunday Times (2010) It will capture ultraviolet light emanating from distant objects including a quasar that is believed to have formed five billion years ago. Times, Sunday Times (2009) Or you might find yourself battling against the explosive, angry forces of a quasar. The Sun (2014)
随便看	insufferableness insufferably insufficience insufficiency insufficient insufficient evidence insufficient funds insufficiently insufflate insufflation insufflator in-suite dining insula insulae insulant insular insularism insularity insularly insulate insulated insulating material insulating tape insulation insulator

　

英语词典包含298861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。

　

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间：2025/1/23 8:30:03