A sit-down dinner was followed by a disco.是什么意思？

A sit-down dinner was followed by a disco.

晚宴之后播放了一曲迪斯科舞曲。

dinner

n. 正餐，主餐，宴会，晚餐；

例句
At the dinner table, my father would go on and on, showing off, aggrandising himself...
我父亲在餐桌上总是滔滔不绝地炫耀并吹嘘自己。

was

v. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质（ be的过去式 ），在，存在，不受干扰；

例句
There was a terrible sadness in her eyes...
她眼神中流露出深深的悲伤。

followed

v. 跟随，接着（ follow的过去式和过去分词 ），继承，（按时间、顺序等）接着，从事；

例句
There followed an acrimonious debate.
接着是一场唇枪舌剑的争辩。

by

prep. 在…旁边，表示方式，由于，经过；adv. 经过，表示保留或保存时用，短暂拜访；

例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

disco

n. 迪斯科舞厅，迪斯科舞会，的士高；

例句
Guests bopped and jigged the night away to the disco beat.
客人们整个晚上随着迪斯科的节奏跳博普舞和吉格舞。