介绍:
Day93.
Insects would make it impossible for us to live in the world; they would devour all our crops and kill our flocks and herds, if it were not for the protection we get from insect-eating animals.
我们可能被昆虫害得无法在地球上生活，他们不光会毁掉庄稼作物，还会灭掉所有飞禽走兽，幸好还有吃昆虫的动物的存在阻止这一切发生。
Devour 美 [dɪˈvaʊr] vt.狼吞虎咽地吃光;吞没，毁灭;
She devoured half an apple pie.
她狼吞虎咽地吃下了半个苹果派。
Larger fish devour the smaller ones.
大鱼吃小鱼。
Flocks 美 [flɑ:k]
n.兽群，鸟群;群众;棉束;大堆，大量
vi.群集，成群结队而行
Bird flock 鸟群
They kept a small flock of sheep
他们养了一小群羊。
The public have flocked to the show
公众蜂拥而至观看演出。
Herd 美 [hɜ:rd]
n.牧群;兽群;放牧人;群众，民众；v 群集，纠结，放牧;
He began to herd the prisoners out
他开始将犯人集中在一起赶出来。
Predators were a threat to the herd.
食肉动物对牧群是个威胁。
You separate the prey from the herd.
把猎物从兽群里分离开来。
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