Because it's cold in winter
冬天───winter;冷───cold
Most worms cocoon in winter.───冬天多数虫子作茧.
Winter is the slack season at most hotels.───对大多数旅馆来说,冬天是淡季.
When winter comes, some birds will fly away to the south.───冬天到来时, 一些鸟就会飞到南方去.
Moscow is a very cold place in winter.───冬季莫斯科非常寒冷.
A fur coat has more utility in winter than in autumn.───毛皮外衣在冬天比在秋天更有用.
The trees were killed off by the severe winter.───在严寒的冬天,这些树相继被冻死.
The character of the pine and cypress is shown in frigid winter ; the sincerity of one's friend is shown in adverse circumstances.───岁寒知松柏,患难见交情.
Dusk sets early in winter.───冬季天黑得早.
A good winter brings a good summer.
She always wore a long-sleeved thermal vest in winter.
Sandstorms are common during the Saudi Arabian winter.
Water consumption decreased during the winter.
In seed time learn, in harvest teach, in winter enjoy.William Blake