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- Working with geese, he rediscovered the principle of imprinting in the behavior of nidifugous birds. 在对孵化后离巢鸟的研究中，他重新发现了胚教原理。
- The penguin is a flightless bird. 企鹅是一种不会飞的鸟。
- The bird sang high and clearly in the tree. 鸟儿在树上清脆地高歌。
- The bird flapped its wings and flew away. 那鸟振翅飞去。
- The bird is building a nest of straw and twigs. 这只鸟在用稻草和小树枝筑巢。
- The bird picked a hole in the ice with its beak. 那鸟在冰上啄出了一个洞。
- The bird caught a bug on the fly. 那鸟在飞行中捉住了一只昆虫。
- The bird settled on the topmost bough. 这只鸟儿在最高的权枝上停了下来。
- I asked him for some money and got the bird. 我向他借些钱，但是碰了钉子。
- I saw the bird at the very top of the tree. 就在那棵树顶上我看到那只鸟。
- The bird flies out when he opens the window. 当他打开窗户时鸟就飞出去了。
- Can you shoot up at the bird on the roof? 你能射中房顶上的那只鸟吗？
- The singer got the bird when she came out on stage. 这位歌手一出现在舞台上人们便以嘘声嘲弄她。
- He focused his binoculars on the bird. 他把双筒远镜的焦点对准在那只鸟上。
- The bird had to be extricated from the netting. 要把小鸟从网中救出。
- nidifugous bird 离巢性鸟
- She sings as merrily as a little bird. 她歌唱得象小鸟一样快乐。
- The wild bird raised in the captivity died. 关在笼子里的野鸟死了。
- This rare bird has become an endangered species. 这种珍禽已成为濒临灭绝的物种。
- He found a piece of fossil of an ancient bird. 他发现一块古代鸟类的化石。
