Sumptuous food and patriotic music created an atmosphere of elegant conviviality.是什么意思？

Sumptuous food and patriotic music created an atmosphere of elegant conviviality.

佳肴盛馔和爱国乐曲,使气氛十分优雅而欢乐.

sumptuous

adj. 豪华的，奢侈的，腆，美奂美轮；

例句
The portraits and sumptuous ornaments, and the gold clock, show that this is not just any old front room.
墙上挂的画像、奢华的装饰和那座金钟都表明这可不是一间普普通通的客厅。

food

n. 食物，食品，粮食，养料，资料；

例句
English food can be wonderful but the normal English diet is abominable.
英国也有美食，只是一般的日常饮食太过糟糕。

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

patriotic

adj. 爱国的，有爱国心的，爱国主义的；

例句
The volunteers were fortified by their patriotic belief...
爱国信念更加坚定了志愿者们的信心。

music

n. 音乐，乐曲，乐谱，乐队；

例句
Avant-garde music to this day has not found general public acceptance.
先锋音乐时至今日都没有得到大众的广泛认可。

created

adj. 创造的；v. 创造( create的过去式和过去分词 )，引起，造成，封；

例句
Men have created a social and economic position of advantage for themselves over women.
男性已经为自己创造了优于女性的社会和经济上的有利地位。

an

art. 一（在元音字母前代替不定代词a），一任一某一，一个；

例句
He started eating an apple...
他开始吃苹果。

atmosphere

n. 大气，空气，大气层，风格，基调，气氛；

例句
There's been an atmosphere of anticipation around here for a few days now...
几天来这里一直有一种满怀期待的气氛。

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

elegant

adj. （人或其举止）优美的，漂亮的，简炼的，简洁的；

例句
Older women look best in classically elegant styles.
年纪大一点的女性穿古朴典雅的服装最好看。

conviviality

n. 欢宴，高兴，欢乐；