适合年龄
4岁左右
绘本简介
Through simple factual descriptions, readers discover how rocks transform from mountains to dust. Photographs of rocks, large and small, accompany the text.
通过简单的事实描述，读者会发现岩石是如何从山上变成尘土的。 随文附有大大小小的岩石照片。
绘本内容
This is a mountain.
A mountain is made of rock.
This is a boulder.
It broke off the mountain.
This is a stone.
It broke off the boulder.
This is a pebble.
It broke off the stone.
This is sand.
It broke off thepebble.
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