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。
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。
The other story happened in winter.
另一个故事发生在冬天。
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。
A person's lips and hands often chap in winter.
人的嘴唇和手在冬天常常皲裂。
More and more young people go skating in winter.
越来越多的年轻人在冬天去滑冰。
Arctic sea ice usually melts in spring and summer, then grows in winter.
北极的海冰通常在春天和夏天融化，然后在冬天形成。
People in the past could hardly eat fresh vegetables in winter, could they?
过去的人们在冬天很难吃到新鲜的蔬菜，是吗？
"Kids wear tiger-head shoes in winter," she said."They are pretty and warm."
“孩子们在冬天穿虎头鞋，”她说，“它们又漂亮又暖和。”
Believe it or not, ancient Chinese people had their own methods of heat preservation in winter.
信不信由你，中国古人在冬天有他们自己的保温方法。
The first student went in winter, the second in spring, the third in summer, and the last in autumn.
第一个学生在冬天去，第二个春天去，第三个夏天去，第四个秋天去。
But inside, special windows cut power bills by blocking solar heat in summer and retaining indoor warmth in winter.
但是在室内，特殊的窗户通过在夏天阻挡太阳的热量和在冬天保持室内温暖来减少电费。
Besides this, before people in northern China had central heating, it was hard for them to prevent the cold in winter.
除此之外，在中国北方的人们还没有集中供暖的时候，他们在冬天很难御寒。
The weather is terrible, particularly in winter, and there's no interesting old city to make up for it, as there is in Boston.
那里天气很糟糕，尤其是在冬天，而且没有像波士顿内的城区这样有趣的古城区来弥补这一缺陷。
People in ancient times believed that the plant could drive away evil spirits and prevent them from catching an illness in winter.
古代的人们相信这种植物可以驱除邪灵，防止他们在冬天生病。
The New Yorkers who spent a bundle on an outdoor hot tub now admit they rarely use it, "because we can't afford to heat it in winter".
那些花一大笔钱买了一个户外加热浴缸的纽约人现在承认，他们很少使用它，“因为我们在冬天负担不起加热它的费用。”
During the Qing Dynasty, kicking a stone ball around was a popular game in the northern part of China, and it was often played in winter to keep warm.
在清朝时期，踢石球在中国北方是一种很流行的游戏，通常在冬天玩以保暖。
An automobile produces enough heat to warm an average house in winter, and if a house were perfectly insulated, one adult could also produce more than enough heat to warm it.
在冬天，一辆汽车产生的热量足以温暖一间普通的房子，如果一间房子完全隔热，一个成年人也可以产生足够多的热量来温暖它。
Whereas the region's native evergreen pines shade the snow and absorb radiation, birches would shed their leaves in winter, thus enabling radiation to be reflected by the snow.
然而那个地区当地的常绿松树可以为雪遮阴，吸收辐射，而白桦树在冬天则会落叶，从而使辐射被雪反射。
Heilongjiang Province is located in the northeast part of China, so it's freezing cold in winter.
黑龙江省在中国最北部，所以冬天的时候极其寒冷。
Have you ever stopped to think of the many people who have been involved in producing that pullover you wear in winter?
你有没有停下来想一想，在制作你冬季穿的那件毛衫的过程中，涉及到了多少个人？
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。
Jo is a fifteen-year-old girl. She is average at her high school work and she is involved in school tennis in summer and netball in winter.
乔是个15岁的姑娘，中学的学习成绩一般，她参加了学校夏季网球和冬季的无板篮球活动。
There are three main ways that animals survive the cold in winter: sleep, adapt or migrate.
动物在寒冷的冬天有三种主要的生存方式：休眠、适应或迁徙。
The axis is pointing away from the sun in winter.
冬天，地轴指向远离太阳的方向。
In the north of China, it is very cold in winter.
在中国的北方，冬天非常冷。
One afternoon in winter, my old car broke down on my way home.
一个冬季的下午，我的旧车在回家的路上抛锚了。
We all know that millions of birds fly to Dongting Lake in winter.
我们都知道冬天时会有数百万只鸟飞到洞庭湖。
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