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。
Summer hours were long, winter ones short; only at the spring and autumn equinoxes were the hours of daylight and darkness equal.
夏天的时间长，冬天的时间短；只有在春秋分点，白天和黑夜的时间才相等。
The Tree did not rejoice at all; he grew and grew, and was green both winter and summer.
枞树一点也不高兴；他越长越大，冬天和夏天都是绿色的。
Heidi never knew if it was summer or winter, for the walls opposite never changed.
海蒂不知道现在是夏天还是冬天，因为对面的墙从未变过。
The white ones are white in winter, but gray-brown in summer.
这些白色的在冬天是白色的，但是在夏天是灰棕色的。
Karry said, "in a particular season I will think of you, such as spring, summer, autumn and winter."
卡里说：“在特定的季节我就会想你，比如春天、夏天、秋天和冬天。”
We are close to a knowledge of annual summer and winter temperature variations over much of the northern hemisphere going back 600 years.
我们很快就会知道，600年前北半球大部分地区每年夏季和冬季的温度是如何变化的。
In the Southern hemisphere winter has begun, and it is summer north of the equator.
在南半球，冬天已经开始，赤道以北是夏天。
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。
In other words, its coat, its fur, turns from brown in the summer to white in the winter, which makes it harder for the hare's predators to see it against the white snow.
换句话说，它的毛色从夏天的灰色变成了冬天的白色，这使得捕食者很难从雪地里找到它。
It is never very hot in summer or very cold in winter.
夏天向来不太热，冬天也不太冷。
Rain falls in summer; snow falls in winter.
夏天下雨，冬天下雪。
The temperature increase has occurred during the winter and spring, not during the summer.
气温上升发生在冬季和春季，而不是夏季。
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。
Because of the cold temperatures, the tundra has two layers: top layer, which is called the active layer, is frozen in the winter and spring, but thaws in the summer.
由于寒冷的气温，冻土带有两层：最上面的一层被称为活动层，在冬季和春季被冻结，但在夏季解冻。
After lunch, they drove to their summer villa, in order to make arrangements there for winter, and I went with them.
吃过午饭后，他们驾车去他们的夏季别墅，为去那儿过冬做安排，我跟他们一起去了。
These birds migrate to Europe in the summer season, returning to warmer places in the south for the winter.
这些鸟夏季移栖到欧洲，冬季回到南方温暖的地方。
It may be biological processes that occur in the soil in the winter, that cause increased shrub growth in the summer, and here's how: there are "microbes", microscopic organisms that live in the soil.
可能是冬季土壤中发生的生物过程，导致夏季灌木生长增加，原因如下：有“微生物”，即生活在土壤中的微生物。
In the summer, Andrew plays tennis or golf almost every day and in the winter he goes skiing every chance he gets.
夏天，安德鲁几乎每天都打网球或高尔夫球，冬天他一有机会就去滑雪。
I wonder if I shall take root here, and winter and summer stand covered with ornaments!
我也许会在这里扎下根来，冬夏都将被这样装饰！
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