Trees had been planted for years before the flood.

树曾经是被种植长达数年在…之前这洪水。

They raise ducks before the flood, instead of chicken.

他们在发洪水之前养鸭，而不是养鸡。

Before the flood, Li felt something bad was going to happen.

在洪水到来之前，Li就觉得有不祥的事要发生。

The embankment must be reinforced before the flood season.

坝基一定要在洪汛期到来之前加固好。

The villagers took flight before the flood laid the village flat.

在洪水将村子冲成平地之前，村民们逃走了。