Many life forms require other life forms to live.

Having finished the handful, the greedy bird pecked directly from the packet.

那黑鸟贪得无厌,直冲上前衔他那袋零食.

We have taken over the last pockets of primitive life-forms.

我们刚刚占领了,最后几个土著人的聚居点.

Chickens pecked in the dust.

鸡在尘土中啄食。

The bird pecked seeds out of the sunflower.

那只鸟用喙从向日葵中啄出种子.

The life forms most likely to develop on a planet would be bacteria.

行星上最容易生存下来的是细菌.

They also harbor exotic life-forms, far below the reach of sunlight.

他们心怀异国情调生活形式, 远远低于达到的阳光.

Keep your pecker up. Things are bound to improve next week.

鼓起劲来,下星期情况一定会好起来的.

Thing may be bad at the moment, but keep your pecker up.

现在可能情况不太好, 但你要打起精神.

An electron microscope would reveal that you are teeming with other life-forms.

一部电子显微镜能够揭示你体内充满了其它生命类型.

Previous life forms play a central part in our understanding of evolution.

以前的生物在我们了解演化上扮演相当重要的角色.

Environmental elements include water, air, sunshine life-forms, soil, and rocks.

自然环境要素,包括水 、 空气 、 阳光、生物 、 土壤 、 岩石等.

What do we look like, a couple of peckerwood jackasses?

我们看起来象什么, 象不象啄木鸟?

A hen is pecking ( away ) at the grain.

一只母鸡正在 啄食 谷粒.

Could these alien life forms be clues to life in outer space?

也许这些深海异类的生态,能为我们提供外太空生物的线索.

Miss Watson kept pecking at me.

华森小姐老是找我的碴儿.

Some birds were pecking at the corn.

有几只鸟在啄食谷物.

The cock is pecking at the hen.

那只公鸡正在啄母鸡.

The child is only pecking at his food.

这孩子只吃一点点东西.

Why are you always pecking at me?

你为什么总是找我麻烦?

It was winter and the sparrows were pecking at whatever they could find.

时值冬季，麻雀啄食着能够找到的任何东西。