For a few years its luminosity flared up to about 10,000 times the present-day luminosity of the Sun.
它的亮度有几年一度达到了现在太阳亮度的一万倍左右。
英汉双解词典包含141091条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。