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衣着(Clothing)

  until very recently it was possible to use only natural materials of various kinds for the making of clothing. both plants and animals supply these natural materials.

cc飞车官网下载安装   from plants we get cotton and linen. from animals we get such materials as wool, silk, leather, and furs. modern man now has cloth which is made scc飞车竞赛 ynthetically. in 1884 the first artificial fiber was made, called artificial silk, rayon, nylon and dacron are best-known products developed later.