10 Trees

Trees

树

A leafy world. There are many different types of trees. They can be different shapes and sizes. This large tree is an oak tree.

绿叶的世界。有许多不同类型的树。 它们可以是不同的形状和大小。 这棵大树是橡树。

Standing tall. Trees are tall, woody plants that can live for hundreds of years. The top of a tree is called the crown. Leaves grow on the branches. A spruce tree in Sweden is the oldest tree in the world. It is almost 10,000 years old.

站高。树是高大的木本植物，可以存活数百年。 树的顶部叫做树冠。 叶子长在树枝上。 瑞典的一棵云杉是世界上最古老的树。 它差不多有一万年的历史了。

The strong trunk supports the branches. Water travels from the roots through the trunk to the branches. Bark protects the trunk and branches from cold and damage. Water from the soil Roots grow deep underground. They hold the tree in the soil and soak up water.

结实的树干支撑着树枝。 水从根部通过树干流向树枝。 树皮保护树干和树枝免受寒冷和伤害。 土壤中的水根长在地下深处。 它们把树固定在土壤里，吸收水分。

Growing strong. Every tree begins as a tiny seed. In spring, a seed starts to grow. The first shoot and roots begin to grow from the seed. The roots soak up water. The shoot grows up to the surface. It becomes a seedling with leaves and buds. Heat from the Sun and water from the soil help the seedling grow into a sapling.

增长强劲。每棵树都是从一颗小小的种子开始的。 春天，种子开始生长。 第一个芽和根开始从种子长出来。 树根吸收水分。嫩芽长到水面。 它变成了有叶有芽的幼苗。 来自太阳的热量和来自土壤的水分帮助幼苗长成小树苗。

After many years this green sapling will grow into a tall fir tree.

许多年以后，这棵绿树苗会长成一棵高大的冷杉树。