Before silos were invented, cows gave less milk during winter because they had no green grass to eat.

筒仓发明之前，因为没有青草可以吃，奶牛在冬天产奶量减少。

《柯林斯英汉双解大词典》

During winter evenings, Paris's streetlamps have a halo and resemble dandelions.

在冬天的夜晚，巴黎的街灯有一个光环，像蒲公英。

youdao

Penguins don't exercise much during winter.

企鹅冬天不怎么运动。

youdao

However,the heaviest snowfalls have been reported in the mountains of other areas during winter.

VOA: special.2010.01.05

A lot of people move there during the winter because it gets really, really nice,

很多人冬天到那里去，因为冬天真的很好很好。

沙漠之城-菲尼克斯 - SpeakingMax英语口语达人

He says China is working to narrow the difference between its strength during the Olympic Summer and Winter Games.

VOA: special.2010.02.10

During winter, you may come across enough water in the day to camp wild at night.

BBC: Walking through Australia��s pure desert heart

It's one way to redeploy assets that would otherwise be busy only during winter.

FORBES

Are professional sports a good place to put your ad dollars, at least during winter?

FORBES: Magazine Article