| 1. | Birds , reptiles and insects come from eggs .
鸟类、爬虫及昆虫是卵生的。 |
| 2. | Feathers are the distinctive covering of birds .
羽毛是鸟类特有的蔽体物。 |
| 3. | Some hawks and owls bolt their prey whole .
有些鹰类和鸟类把猎获物整个吞食。 |
| 4. | There was also an aviary full of rare birds .
那里面还有装满稀有鸟类的鸟舍。 |
| 5. | Birds, fish, and amphibians are"oviparious" .
鸟类、鱼和两栖类是“卵生”的动物。 |
| 6. | So it is with the music of birds .
鸟类的鸣声也是如此。 |
| 7. | The birds usually digest the pulp rather than the seeds .
鸟类通常消化其果肉而不是种子。 |
| 8. | Amongst birds, the contest is often of a more peaceful character .
鸟类的斗争往往比较和平。 |
| 9. | Dialects occur in birdsong as well as in speech .
语言有各种方言，鸟类的歌唱也有各种地方调。 |
| 10. | He has just published his observations on british bird life .
他刚发表了英国鸟类生活观察报告。 |
