I stock up on snacks, too.

零食我也要囤积。

We need to stock up the freezer.

我们需要在冰柜里存满东西。

We ought to stock up on film before our trip.

我们应该在旅行前备足胶卷。

The authorities have urged people to stock up on fuel.

当局已敦促人们大量储备燃料。

The authorities have urged people to stock up on fuel in case hostilities break out.

当局已敦促人们储备燃料以防战争爆发。