n. quasar
... precipitous 陡峭的, 急躁的 quasar 恒星状球体, 类星体 quotidian 每日的, 每日发作的, 平凡的, 日常的 ...
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科学家们在研究一种距离遥远，亮度超常的类星体，它是唯一没有已知宿主星系的恒星状球体。
Scientists were checking out a quasar, an incredibly distant, incredibly bright object. This quasar was the only one without a known host galaxy.
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