Lesson 17 Save the Tigers
第17课 拯救老虎
"Save the tigers" is a group of volunteers.
“拯救老虎”是一个志愿者组织。
These volunteers hope to save the tigers of the world.
这些志愿者希望拯救世界上的老虎。
At the beginning of the 20th century,the number of tigers in the wild was around 100 000.
在20世纪初，野生老虎的数量大约是100 000只。
But today that number has dropped to a few thousand.
但是如今的数量已经降至几千。
Tigers live in the forests of Asia.
老虎生活在亚洲的森林里。
They usually have orange fur and dark stripes.
他们通常有着橙色的皮毛和暗色的条纹。
Tigers are symbols of strength and courage.
老虎是力量与勇气的象征。
In many stories,they are brave.
在许多故事里，它们都很勇敢。
The tiger is at the top of the food chain.
老虎在食物链的最顶端。
It helps keep the number of other wild animals in balance.
它帮助保持其他野生动物的数量达到平衡。
For this reason,tigers are important to the environment.
由于这个原因，老虎对环境有着重大作用。
In recent years,tigers have been in danger of disappearing.
在最近几年，老虎濒临灭绝。
Some people hunt and kill tigers for money.
一些人捕杀老虎以挣钱。
People have cut down a lot of trees as well.
人们还砍伐了很多树木。
As forests disappear,tigers lose their homes.
由于森林的消失，老虎失去了家园。
The number of tigers in the wild is quickly decreasing and we must do something about it.
野生老虎的数量急剧减少，我们必须为它做些事情。