单词	quasar
释义	quasar /ˈkweɪzɑː / /ˈkweɪsɑː/ noun Astronomy A massive and extremely remote celestial object, emitting exceptionally large amounts of energy, which typically has a starlike image in a telescope. It has been suggested that quasars contain massive black holes and may represent a stage in the evolution of some galaxies.Astronomers believe that quasars are galaxies with very massive black holes in the center.... Rich in objects, from galaxies to quasars to white dwarf stars, this vast data archive will serve as a resource for the entire astronomical community. Radio astronomers found pulsars, quasars, and massive molecular clouds dotting the celestial landscape. Origin 1960s: contraction of quasi-stellar. Rhymes César
随便看	colour circle colour-coated colour code colour commentary colour commentator colour-conscious colour consciousness colour constancy colour contrast colour-coordinate colour-coordinated colour-coordinating colour coordination colour-correct colour-corrected colour correction colour cup colour-defective colour-de-roy colour diagram colour difference colour disc colour discrimination colour doctor colour duster

英语词典包含243303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。