But with every roll, it picks up more and more snow until it becomes a big snowball rolling very fast down the hill.

但是随着每一次滚动，它会吸收越来越多的雪，直到变成一个大雪球飞快地滚下山。

youdao

There are few farms, only small stores, and in the winter the power is frequently off in a snow storm and it becomes very hard to travel.

有几个农场，只有小商店，在冬天经常关闭电源在暴风雪，它变得非常艰难的旅行。

youdao

This might be caused by an earthquake or it might happen after a heavy rain or when soil becomes waterlogged after a fall of snow.

山崩可能地震引起，也可能发生在大雨后或雪后因泥土浸满了水而引起。

youdao

However,snow can become hard and flat as it becomes older or if there have been strong winds.

VOA: special.2010.01.05

It is being introduced as the weather becomes colder and after last year's snow caused a number of schools to close, the council said.

BBC: Herefordshire school disruption now logged online