单词：quasars
音标：[k'weɪzɑ:z] ；
n. <天>类星体( quasar的复数形式 )
n. a starlike object that may send out radio waves and other forms of energy; many have large red shifts
quasars的用法和样例：
例句
- What are quasars and active galactic nuclei?甚麽是类星体和活跃星系核？
- Quasars are the highly energetic cores of distant galaxies.类星体是遥远星系的极为活跃的核心体。
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英语万花筒
英语万花筒