Swallows migrate south in winter.

燕子在冬天迁徙到南方。

We go skiing most weekends in winter.

我们在冬天的周末大多去滑雪。

In winter the nights are long and cold.

冬季的夜晚又长又冷。

These plants will add interest to your garden in winter.

这些植物在冬季会给你的花园增添胜景。

It takes a lot of self-discipline to go jogging in winter.

在冬天跑步是需要很大的自律力的。

So many days are routine and uninteresting, especially in winter.

太多的日子都是平淡和无趣，尤其是在冬季。

The avenue had never been paved, and deep mud made it impassable in winter.

这条大街从来没有铺过，深泥使其在冬天无法通行。

Even in summer this place did not look exactly hospitable: in winter, conditions must have been exceedingly harsh.

即使在夏天，这个地方看上去也并不太宜人：在冬天，条件一定非常恶劣。

Watermelons are dear in winter.

西瓜在冬天卖很贵。

The other story happened in winter.

另一个故事发生在冬天。

In winter, it is completely covered with sea ice.

在冬天，它完全被海冰覆盖。

More and more young people go skating in winter.

越来越多的年轻人在冬天去滑冰。

Usually, we are white in winter and brown in summer.

通常，我们在冬天是白色的，而在夏天是棕色的。

This is a machine to warm our feet in winter.

这是一台可以在冬天温暖我们双脚的机器。

In winter, people wear scarves.

冬天人们戴围巾。

In winter she wears mittens.

冬天时她戴连指手套。

Flu usually breaks out in winter.

流感通常发生在冬季。

We usually make snowmen in winter.

我们经常在冬天堆雪人。

That's helpful in winter.

那在冬天很有用。

I can watch ice hockey games in winter.

我可以在冬天观看冰球比赛。

The wind in winter should be light yellow.

在冬天，风应该是淡黄色的。

Good transportation is very important in winter.

良好的交通在冬天是非常重要的。

In winter the days are short and the nights long.

冬季日短夜长。

In winter, the Bird's Nest becomes a white world.

冬天的鸟巢俨然是个白色世界。

The first student left for the small farm in winter.

第一个学生在冬天去了那个小农场。

Other animals adapt, for example by staying active in winter.

其他动物靠着像在冬天里保持活跃状态的这种方式而适应下来了。

The lake freezes over in winter.

这个湖冬天全部封冻。

It can be quite cold here in winter.

这里的冬天有时还真够冷的。

We get heavy fogs on this coast in winter.

这海岸冬天有大雾。

Once you have tasted the outdoor life in southern California, it's hard to return to Montana in winter.

一旦你体验过南加州的户外生活，再要回到蒙大拿过冬就会感到很难。