followed by是固定用法。followed by意為“后面有，后面是”followed by是表示被動或者用于過去式的。follow是followed by與follow by的詞根。follow的意思如下：1、跟隨；追捕；2、沿著；3、按照，聽從。

例句

The weather forecast is followed by the pips at 6 o'clock.

天氣預報之后即為6點鐘報時信號。

The fall of the fascist dictatorship was followed by a left-wing backlash.

法西斯的垮臺引起左翼運動的高漲。

The pop star was followed by a train of admirers.

那位流行歌曲歌星周圍蜂擁著許多歌迷。

She has bouts of hard work followed by long periods of inactivity.

她總是努力干上一陣，然后一呆就是很長時間。