When solving a design problem, you can sometimes look to nature for a solution. One of the early examples is the study of birds to enable human flight. The Wright brothers got their inspiration fromobservingpigeons in flight, and in 1903 successfully obtained a patent for their designs for th...
A 2019 study of birds that had crashed into buildings in Chicago, Illinois, found that they’d lost mass over a 40—year period, but those species were migratory(迁徙的). However, why the birds changed in that way was unknown. Therefore, researchers decided to examine the records of 15,...
It is a box of specimens, or also called study skins. 它是一盒标本,也称为样本皮肤。 This happens to be a bird called paradise parrots. 这恰好是一只叫天堂鹦鹉的鸟。 They used to live in Australia. 它们曾经住在澳大利亚。 They are now extinct. 它们现在已经灭绝了。 Specimens have an amazing...
By noon, I wandered through the Confucius Temple area. The smell of roasted duck and sesame pancakes filled the air as vendors called out from street stands. I tried a bowl of tangbao (soup dumplings), burning my tongue in my haste—a humorous reminder to slow down. Nearby, an elderly ...
阅读理解 The ostrich is a bird of the deserts of Africa.It is the largest of all birds.It is often 10 feet high.Sometimes the ostrich is called the “camel bird .Like the camel it lives in the desert, and can live a long time without water. The os
‘lovebird’, as some of the smaller ones were called. Sometimes these birds became great talkers, or ratherimitators, and would learn to recitemantras(religiouschants), orscoldingsto the children of the house, such as "Parho beta, parho." (Study child, study.) Or for the benefit of ...
A new study may cast light on the answer. A team of researchers found that birds evolved (进化) to fly due to changes in the part of the brain called the cerebellum (小脑), which is responsible for motor control and physical movement. For the study, scientists from Stony Brook ...
the birds do not have enough food to eat. Now the现在中国政府已经制定了法律来阻止在扎Chinese government has made laws to prevent all龙的所有这些事。these things in Zhalong.Once a year, the members of our Birdwatching每年一次,我们观鸟协会的成员去研究Society go to study the birds in Zhalong....
C.Memories of Old DayD.A Big Surprise for Melinda 免费查看参考答案及解析 题目: —Spring is coming. Birds sing ___ and flowers smell ___.—Yeah. Spring is dreaming and please put spring in your heart.A.good; niceB.well; niceC.well; wonderfullyD.good; nicely 免费查看参考答案及解析...
Trees can be found all over the world.One tree can be home to thousands of living things.It keeps them away from other animals and b___weather.It gives them food to eat and a place to make "houses",too.All of us konw that birds I___in the forests.Some birds have I___mouths.T...