柯林斯詞典quasar /?kwe?zɑ?/ (quasars) 1. N-COUNT A quasar is an object far away in space that produces bright light and radio waves. 類星躰 返回 quasar劍橋詞典the centre of a galaxy (= group of stars ) that is very far away, producing large amounts of energy 類星躰 返回 quasar