Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/1fd6657bf1095c289367e3737366ad0b.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 nova英英字典_nova剑桥英语解释_nova柯林斯英文解释_沉淀汉英词典
1. N a variable star that undergoes a cataclysmic eruption, observed as a sudden large increase in brightness with a subsequent decline over months or years; it is a close binary system with one component a white dwarf 新星→compare supernova