The taiga is the forest in cold areas of the Earth. 针叶林是位于地球寒冷地区的森林。

　　We can find the taiga in Alaska, Russia, Canada, Finland and many other places. 阿拉斯加、俄罗斯、加拿大、芬兰和许多其他地区都有针叶林。

　　The trees in the taiga have green leaves throughout the year. 针叶林中的树叶四季常青。

　　Because the soil in the taiga is usually frozen, 因为针叶林的土壤是冰冻的，

　　The roots of trees can go far into the soil, so the roots of the trees in the taiga are short. 树根可以扎得很深，所以树根很短。

　　Do you know the age of the oldest tree in the world? 你知道世界上最古老的树有多少岁了吗？

　　The oldest tree is 4,800 years old. It is in the taiga. 它有4800岁了，就在针叶林里。