Water is very important. It is the source of life.

水非常重要。它是生命之源。

Everything in the world can’t live without water.

世界上的所有东西都离不开水。

The proportion of water and a person’s weight is about 70%.

人体内的水分和体重的比例大概是70%。

People can live without eating food for three days, but they will be very close to death if they don’t drink water for three days.

人们可以三天不吃食物，却不可以三天不喝水。

The same goes for other creature.

同理可证，对于其他生物也是一样的。

What’s worse, without water, everything will be stop.

更糟的是，没有水，万物都会停止了。

We can’t have power, and the world will be in the darkness.

我们无法发电，世界即将陷入黑暗中。

The parts of cell phone can’t be made. Then we have no way to connect with others.

手机的零件无法造成。我们就没办法与其他人联系。

In a word, water is pretty significant. We need to protect it and save it.

总之，水是很重要的。我们需要保护它，节约它。

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作文地带知识拓展:

• Life 英 [laɪf] 美 [laɪf]】基本解释

  n. 生活，生计；生命，性命；一生，寿命；人生，尘世

  life 变化形式 复数： lives

  life 生命 life 's work 毕身成就

  来自古英语life,存在，生命，来自PIE*leip,停留，持续，词源同live,leave.比较world. 比喻用法。

  Life释义：

  the period between birth and death, or the experience or state of being alive

  寿命;生命;一生，人生;生活;性命

  Life's too short to worry about money!

  人生短暂，何必为金钱而烦恼！

  for the whole of a person's life:

  I believe marriage is for life.

  我相信婚姻是一辈子的事情。

  to be willing to die in order to defend or support someone or something:

  They were ready to give their lives for their country.

  他们已做好了为国捐躯的准备。

  a way of living or a particular part of someone's life

  生活方式;生活（的某一部分）

  her family/private life

  她的家庭／个人

  my working life

  我的职业生涯

  everything that is alive

  活物，生物

  human/marine/plant life

  人类／海洋生物／植物

  to completely change how or where you live:

  She decided to start a new life in Australia.

  她决定在澳大利亚开始新的生活。

  the period for which a machine or organization lasts

  寿命；存在周期；有效期

  The newer batteries have a much longer life.

  新一代电池的寿命要长得多。

  the quality that makes people, animals, and plants different from objects, substances, and things that are dead

  生命力，生气

  figurative I looked through the window but I couldn't see any signs of life (= people moving).

  我透过窗子向外望去，却看不到有任何人类活动的迹象。

  the quality of having a lot of energy, interest, or excitement

  活力，热情

  She's so full of life.

  她充满了活力。