supernova
noun [ C ] uk/ˌsuː.pəˈnəʊ.və/ us/ˌsuː.pɚˈnoʊ.və/ supernovae uk/-viː/ ussupernovas
超新星(指因爆炸而数月内亮度大增的恒星)
a star that has exploded, strongly increasing its brightness for a few months
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