外博词典,懂英语单词快速记忆法的在线英语词典

quasar (n.)

1964, from "quas(i-stell)ar radio source" (1963); see quasi- + stellar. So called because they resembled stars in photographic images; now thought to be massive, distant, extremely luminous active galactic nuclei.

小程序码 手机访问 联系客服 返回顶部

扫码访问小程序

随时随地,掌上学习

扫码访问外博网

随时随地,掌上学习

客服微信