Noun:a star that ejects some of its material in the form of a cloud and become more luminous in the process
nova的用法和样例：
例句
用作名词(n.)Therefore, the broadcasting station has become a media market dazzling nova.于是，广播电台成了媒体市场的一颗耀眼新星。The nova phenomenon generally occurs in a binary system that has as one member a very hot white dwarf.新星这种现象一般发生在双星系统中，其中一颗子星是非常热的白矮星。
词汇搭配
Nova Scotia新斯科舍(加拿大省名...bossa nova波萨诺沃舞Bank of Nova Scotia丰业银行（财富500...nova outburst新星爆发ex nova燃后新星post nova燃后新星X-ray novaX射线新星fast nova快新星slow nova慢新星nova species(拉)新种suspected nova疑似新星