v.以…为食，以…为能源

feed upon───依靠

fixed on───确定；固定；使集中于

dead on───adj.完全正确的；十分精确的（等于dead-on）

end on───端头直对地

feed up───供给…食物；养壮

feedbox───n.给料箱，饲料箱

feedlot───n.（家畜）饲育场

Silkworms feed on the leaves of mulberry.───蚕吃桑叶.

The ivory gull often follows polar bears to feed on the remains of seal kills.───象牙海鸥经常跟在北极熊的后面吃剩下的海豹尸体.

The savanna is also the home of meat - eaters — the lion, leopard, and hyena who feed on the grasseaters.───大草原也是食肉动物的家乡--狮子 、 豹 、 鬣狗--它们都是以草食动物维持生命的.

Birds feed on worms and grains.───鸟以虫和谷物为食.

All animals including men feed on plants or other animals.───包括人类在内的所有动物都以植物或其他动物为食.

The caterpillars feed on a wide range of trees, shrubs and plants.───毛虫以各类树木、灌木和植物为食。

Other birds feed on developing reproductive structures or seed.───另外一些鸟取食发育中的繁殖器官或种子.

Snails feed on fresh leaves and kill the plants.───而蜗牛则吃新鲜叶子和杀死植物.

How long must the iron - hearted monster feed on our life's blood?───这铁石心肠的怪物吸着我们的血液,还得吸多久 呢 ?

Chrysopidae and Hemerobiidae ; larvae feed on insect pests such as aphids.───两种薄纱状翅膀的昆虫之一(蛹与褐 蛉 )其幼虫吃诸如蚜虫等的害虫.

Slugs feed on decaying plant and animal material.───蛞蝓以腐烂的动植物为食。

These adorable tree - hugging animals feed on eucalyptus tree leavers.───这些可爱的抱树动物以油加利树的树叶为食.

They moved seasonally among various vegetation types to feed on plants that were flourishing.───它们还随着季节的变化而在各种类型植物之间迁移,以便吃那些茂盛的植物.

Birds feed on nuts and berries in the winter.───鸟类靠坚果和浆果过冬。

What would our condors feed on if no one was in danger?───你不发生危险,那我们秃鹰吃啥 呢 ?