The great salmon runs of the Pacific Northwest have been reduced to a trickle... Monarch butterflies are threatened by illegal logging of the Mexican forests where they winter.
往日里太平洋鲑鱼向西北的大规模迁徙已经减少到涓涓细流。非法伐木正在威胁着帝王蝶在墨西哥的冬栖地。
They lay eggs that incubate through the winter.
它们产下卵，要孵化整个冬天。
They worked on the building all through the winter.
他们整个冬天都在建这座大楼。
They were glad to have escaped the clutches of winter for another year.
他们很高兴又一年躲过了寒冬的魔爪。
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。
It was winter and the sparrows were pecking at whatever they could find.
已是冬天了，麻雀们能找到什么就啄食什么。
They all went skating together in the winter.
他们冬天都一起去滑冰。
They had enough fuel to see the winter out.
他们有足够的燃料过冬。
They are available in winter if we want.
如果我们想要的话，冬天可以买到。
他们在一个寒冷的冬天相遇。
Throughout winter, they would eat salted meat, but the taste of the stuff could grow really boring and depressing after a while.
他们会吃咸肉度过整个冬天，但一段时间后它的味道会变得非常乏味、令人沮丧。
Instead of flying thousands of miles in search of food, they make the waste sites their winter feeding grounds.
它们将这些垃圾场作为冬季的进食地点，而非飞行数千英里去寻找食物。
Since sheep and cattle can't survive harsh climates, they needed to be taken south every winter.
由于牛羊不能在恶劣的气候条件下生存，每年冬天都要把它们带到南方去。
In winter, when people in Iceland complete their daily work, they will have a lot of special activities to spend the long dark night.
在冬天，当冰岛人完成了他们的日常工作，他们会有很多特殊的活动来度过漫长的黑夜。
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。”
In the fall, they use tomato preserves for a lot of what they cook, and they freeze and can vegetables to use in the winter.
秋天的时候，他们会用番茄蜜饯来做很多食物，还会冷冻蔬菜或放到罐中储存。
They collected enough winter clothing in only one week.
他们只用一个星期就收集了足够的冬衣。
They had eleven crude houses for protection against the severe winter.
他们有11间简陋的房子来抵御严冬。
They had eleven crude houses for protection against the severe winter.
他们有11间简陋的房子来抵御严冬。
The pupae remain dormant in the soil until they emerge as adult moths in the winter.
蛹在土壤下休眠，直到冬季才变为成年的蛾飞出来。
When winter comes, they return to the hiding places to eat the food.
冬天来临时，它们便会回到藏身处进食。
So the cells stay just slightly wet, enough so that they can survive the winter.
所以细胞保持轻微湿润，足以让它们度过冬天。
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。
How would they spread the idea to get plenty of winter clothing?
他们如何传播获得大量冬衣的想法呢？
Many birds like to store food for the winter, which they subsequently retrieve.
许多鸟类喜欢为冬天储存食物，然后会取回。
Some birds migrate by flying to a warmer place for the winter, where they can find more food.
有些鸟会飞到更温暖的地方迁徙过冬，在那里可以找到更多食物。
They would have to wait out the winter in a warmer climate.
他们将不得不在更温暖的气候中等待冬天的过去。
These microbes enable the soil to have more nitrogen, which plants need to live and they remain quite active during the winter.
这些微生物可以让土壤中植物生长所需的氮含量增加，在冬天让植物仍保持活跃。
To prepare for this before winter, these animals eat extra food to become fat which gives them the energy they need while they sleep.
为了在入冬前做好准备，这些动物会吃更多的食物来增肥，从而获取睡眠时所需的热量。
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？
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