VOA慢速英语:Growing Trees in the Desert, With the Aid of a 'Waterboxx'

1.If you look at nature, and I give an example in your own country, if you look to the Rocky Mountains of the Sierra Nevada, you find trees all over the mountains.

look to朝…看去,朝向,对着;依赖,指望,当心,注意

例句：The front of the house looks to the sea. It gets a beautiful view.
      这座房子面朝大海, 可以看到很美的景观。

      Look (to it) that they do not escape.
      当心别让他们逃跑。

      Look that nothing worse happens.
      注意别让最糟的事情发生。

all over到处

例句：He was very well thought of all over the district.
      他在整个地区评价很高。

2.Nature plants the seeds through birds or animals on top of the soil.

on top of在…上边, 在…上方

例句：Put this book on top of the others.
      把这本书放在其他书的上边。

3.It prevents the humidity in the soil from evaporating.

prevent from阻止, 防止

例句：My only idea was to prevent the woman from speaking.
      我唯一的想法就是不让那女人讲话。

      Cotton mittens will prevent the baby from scratching his own face.
      棉的连指手套使婴儿不会抓伤自己的脸。

4.It sits flat on the ground with the bottom open to the earth.

with/without和其他成分结合起来做状语

1)She came into the room，with her nose red because of cold.（with+名词+形容词，作伴随状语）
2)With the meal over ， we all went home.（with+名词+副词，作时间状语）
3)The master was walking up and down with the ruler under his arm。（with+名词+介词短语，作伴随状语。） The teacher entered the classroom with a book in his hand.
4)He lay in the dark empty house，with not a man ，woman or child to say he was kind to me.（with+名词+不定式，作伴随状语） He could not finish it without me to help him.（without+代词 +不定式，作条件状语）
5)She fell asleep with the light burning.（with+名词+现在分词 ，作伴随状语）