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树叶是一座“绿色的工厂”,它通过光合作用制造出了高大粗壮的树干、芬芳的花朵和香甜的果实……然而,树叶的作用远不止这些,除此之外,树叶还有着许多别的用途。早在人类社会形成之前,我们的祖先不但利用树叶“盖房”遮挡风雨日晒,就连身上穿的衣服,也是用树叶串缀而成。这大概是人类历史上对树叶最早的利用了。随着社会的发展,到了公元前十世纪。我国劳
The leaves are a “green plant,” which produces tall, sturdy tree trunks, fragrant flowers and sweet fruits through photosynthesis ... However, leaves do much more than that, and in addition there are many other use. As early as before the formation of human society, our ancestors not only used the leaves to cover the sun and the sun, even the clothes worn by the people, but also made of the leaves. This is probably the earliest use of foliage in human history. With the social development, to the tenth century BC. Our country labor