搜狗做题网英语翻译Why don’t birds get lost on their long flights from one
来源：学生作业帮 编辑：搜狗做题网作业帮 分类：英语作业 时间：2024/06/08 20:07:53
英语翻译
Why don’t birds get lost on their long flights from one place to another?Scientists have puzzled over this question for many years.Now they’re beginning to fill in the blanks.
Not long ago,experiments showed that birds rely on the sun to guide them during daylight hours.But what about birds that fly by night?Tests with artificial stars have proved that certain night-flying birds are able to follow the stars in their long-distance flights.
A dove had spent its lifetime in a cage and had never flown under a natural sky.Yet it showed an inborn ability to use the stars for guidance.The bird’s cage was placed under an artificial star-filled sky.The bird tried to fly in the same direction as that taken by his outdoor cousins.Any change in the position of the artificial stars caused a change in the direction of his flight.
Scientists think that doves,when flying in daylight,use the sun for guidance.But the stars are hidden by clouds Clearly,they find their way by such landmarks as mountain ranges,coastilnes and river courses.But when it'stoo dark to see these ,the doves circle helplessly unable to get their positions.
Why don’t birds get lost on their long flights from one place to another?Scientists have puzzled over this question for many years.Now they’re beginning to fill in the blanks.
Not long ago,experiments showed that birds rely on the sun to guide them during daylight hours.But what about birds that fly by night?Tests with artificial stars have proved that certain night-flying birds are able to follow the stars in their long-distance flights.
A dove had spent its lifetime in a cage and had never flown under a natural sky.Yet it showed an inborn ability to use the stars for guidance.The bird’s cage was placed under an artificial star-filled sky.The bird tried to fly in the same direction as that taken by his outdoor cousins.Any change in the position of the artificial stars caused a change in the direction of his flight.
Scientists think that doves,when flying in daylight,use the sun for guidance.But the stars are hidden by clouds Clearly,they find their way by such landmarks as mountain ranges,coastilnes and river courses.But when it'stoo dark to see these ,the doves circle helplessly unable to get their positions.
为什么不鸟类失去他们的长途飞行从一个地方到另一个地方?科学家们困惑了这个问题多年.现在,他们已经开始以填补空白.
不久前,实验表明,鸟类依靠太阳来指导他们在白天.可是你知道鸟类在夜间飞行?试验人工星级证明,某些夜间飞行的鸟类是能够按照星级在其长途航班.
鸽子花了它的寿命在笼子里,并没有飞往下一个自然的天空.然而,它表明一个天生的能力,使用星级的指导.鸟的笼子被置于一个人工明星填补天空.鸟儿飞试图在同一方向所采取的表兄弟他的室外.任何改变立场的人工星级造成了改变的方向飞行.
科学家认为,鸽子,当在白天飞行,利用阳光的指导.但是,明星们隐藏的云彩?显然,他们找到自己的方式为标志等山脉,河流coastilnes和courses.But时it'stoo黑暗看到这些,鸽派循环无奈无法得到自己的立场.
不久前,实验表明,鸟类依靠太阳来指导他们在白天.可是你知道鸟类在夜间飞行?试验人工星级证明,某些夜间飞行的鸟类是能够按照星级在其长途航班.
鸽子花了它的寿命在笼子里,并没有飞往下一个自然的天空.然而,它表明一个天生的能力,使用星级的指导.鸟的笼子被置于一个人工明星填补天空.鸟儿飞试图在同一方向所采取的表兄弟他的室外.任何改变立场的人工星级造成了改变的方向飞行.
科学家认为,鸽子,当在白天飞行,利用阳光的指导.但是,明星们隐藏的云彩?显然,他们找到自己的方式为标志等山脉,河流coastilnes和courses.But时it'stoo黑暗看到这些,鸽派循环无奈无法得到自己的立场.
why don't we go on one after we graduate from college
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