Land and Water
土地和水
There are many different types of land and water.
有许多不同类型的土地和水。
A mountain is the highest kind of land.
山是最高的一种土地。
A hill is also high, but it is smaller than a mountain.
小山也很高，但它比山小。
There are low valleys between mountains and hills.
山脉和丘陵之间有低谷。
Rivers flow toward the ocean.
河流流向海洋。
They sometimes go through flat plains.
它们有时穿过平坦的平原。
We can grow many kinds of food on plains, whether they are high or low.
我们可以在平原上种植多种食物，不管是高的还是低的。
We cannot grow food in a dry desert.
我们无法在干燥的沙漠中种植粮食。
A lake, another area of water, has land all around it, so it doesn't flow to the ocean like a river.
一个湖，另一个水域，周围都是陆地，所以它不会像河流一样流向海洋。
An island is the opposite of a lake.
岛是湖的对面。
It is an area of land with water all around.
这是一片四周有水的土地。