1·Birds feed on worms. A bird will go hungry if it cannot catch worms. The bird that gets up early is sure to get some food, so the early bird catches the worm.
鸟以虫为食。鸟捉不到虫就会饿。早起的鸟儿定能得到食物，因此早起的鸟儿有虫吃。
2·I bought a bag of bird feed.
我买了一袋鸟食。
—— 《新英汉大辞典》
3·As birders observe new species, they not only learn about different birds, but they also learn about migration, bird behavior, feed preferences, courtship and bird territories.
观鸟者观察各种新的物种，从中他们不止能认识不同的鸟种，还能学到关于迁徙、鸟类行为学、食性、求爱还有鸟类领地的知识。
4·He scribbles the words "bird feed" on a piece of blank notebook paper and tosses it into his inbox.
他在笔记本的空页上写下了“鸟食”这两个字，然后把纸投进了信箱。
5·To keep up with the latest news about bird flu, including the most important scientific developments, you can visit the Nature Reports Avian flu website and sign up for an RSS feed.
访问《自然》杂志禽流感网站并注册一个RSS文件，你就可以获得禽流感最新的新闻和最重要的研究进展。
6·Feed it when the bird is hungry.
小鸟饿了就喂它吃的。
7·Come out from here, we went to the bird house, saw the parrot and toucans many beautiful birds, I still feed ostrich with cake, it can be to eat sweet.
从这里出来，我们又去了鸟馆，看到了鹦鹉、巨嘴鸟等好多种漂亮的鸟，我还用蛋糕喂驼鸟呢，它吃的可香了。
8·A variety of animals can serve as hosts for West Nile, but the virus primarily spreads through a few species of mosquitoes that usually feed on birds, and those bird species, which become viral hosts.
很多动物是西尼罗河病毒的宿主，但该病毒主要还是通过当地的一些蚊子来传播，这些蚊子是知更鸟的食物，鸟吃了蚊子，自然也变成宿主了。
9·The larva of various beetles of the genus Tenebrio that infest flour and other grain products and are often raised for bird feed.
大黄粉虫幼体一种拟步行虫属的甲壳虫幼虫，寄生于面粉和其他谷类产品中，常被作为鸟食而饲养。
10·Jim, you feed the bird!
吉姆，你喂鸟！