Warning: file_put_contents(): Only 0 of 5408 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/5256789.com/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_绿查网谷歌词典
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