鱼在寻找食物时往往处于危险之中。
科学家们研究动物寻找食物的方式。
鲸鱼将不得不长途跋涉去寻找食物。
我只在夜间从洞穴中出来寻找食物。
另一个决定是什么时候寻找食物。
小北极狐什么时候开始自己寻找食物？
When do baby Arctic foxes begin to look for food on their own?
野生黑猩猩要自己寻找食物。
它们大约六个月大的时候就开始自己寻找食物。
They begin to look for food on their own when they are about six months old.
管鼻鹱在海面上飞行大约400公里寻找食物。
The fulmars travel some 400 kilometers over the sea to find food.
当老鼠饿了的时候，它们选择离开同伴去寻找食物。
When the mice were hungry, they opted to leave the company of other mice to go get food.
"鸟类和其他动物懂得使用树枝或其他工具寻找食物。
Using sticks or other tools to find food isn't unknown among birds and animals.
这些鸟擅长用树枝寻找食物，尤其是树上的甲虫幼虫。
The birds are masters at using sticks to find their food, in particular beetle larvae from the trees.
另一只叫巴尼的乌鸦展示了它用棍子寻找食物的本领。
Another crow, called Barney, has demonstrated his skill at using sticks to forage for food.
人类和野生动物都在不停地迁徙，以寻找食物和可靠的水源。
Both humans and animals were constantly on the move, in search of food and reliable water supplies.
原来，老鼠饿了的时候，它们会冒险到不安全的地方寻找食物。
It turned out that, when the mice were hungry, they ventured into the unsafe areas for food.
对于胃部较小的动物来说，不断寻找食物并消化的过程会消耗大量能量。
For animals with small stomachs, it takes lots of energy to constantly look for food and then digest it.
他们正在研究鸟类寻找食物的方式是否会给它们带来任何可能的进化优势。
They're looking into whether the birds' way of searching for food gives them any possible evolutionary advantage.
当它们寻找食物和遮蔽物的时候，它们不得不离开家，到主要捕食者所在的陆地上去。
When they do forage for food and for shelter materials, they have to leave their homes and go up on land where their main predators are.
正如预测的那样，在光线下孵化的小鸟主要用右眼寻找食物，而用另一只眼睛观察是否有捕食者。
As predicted, the birds incubated in the light looked for food mainly with their right eye, while using the other to check out the predator.
但是海洋中浮游动物每天的垂直运动——夜里上浮以寻找食物，白天下潜以躲避捕食者——也可以被视作迁徒。
But daily vertical movements by zooplankton in the ocean—upward by night to seek food, downward by day to escape predators—can also be considered migration.
狗和狐狸从垃圾箱里寻找食物。
Dogs and foxes scavenged through the trash cans for something to eat.
他们还学习如何生火，使用刀子和寻找食物吃。
They also learn how to make a fire, use a knife and find food to eat.
北极熊必须走得更远，并更加努力地寻找食物。
Polar bears have to go further and work harder to find food.
他们发现，当蓝鲸潜入水中寻找食物，它们的心率慢至每分钟2次。
They found that when blue whales dive for food, their heart rates are as slow as 2 beats per minute.
它们制造工具来寻找食物，拥有天生的决策技能，可以选择加入哪个群体，吃什么食物。
They make tools to find food, they possess innate decision-making skills, and they make choices about which groups to join and what foods to eat.
在被放走后的几天里，她开始拜访他们，寻找食物。
Within days of being released, she started visiting them, looking for treats.
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。
Instead of flying thousands of miles in search of food, they make the waste sites their winter feeding grounds.
饥饿的乞丐在街上徘徊寻找食物。
这时候，狐狸也出来寻找食物。
可怕的天气挫败了他寻找食物的希望。
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