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.
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 synthetically. in 1884 the first artificial fiber was made, called artificial silk, rayon, nylon and dacron are best-known products developed later.
雅思口语素材:名人名言-爱迪生
雅思口语天天练:我不习惯喝酒
美国英国雅思口语真题整理
雅思口语考场的三点应对技巧
雅思口语高频话题整理汇总
雅思口语素材:端午节英文介绍
武汉长沙南京成都部分雅思口语考官介绍
雅思口语话题备考指导:成功
雅思口语Part 1&2的必备话题总结
雅思口语7分技巧:妙用词性转换
雅思口语素材:名人名言-丘吉尔
雅思口语常见话题范文:友谊
雅思口语7分范文:hometown
雅思口语Part 2范文:健康
雅思口语经典话题整理
雅思口语范文赏析
雅思口语Part2高分范文:a small shop
雅思口语分类词汇:Poultry 家禽肉类
雅思口语素材:名人名言-香奈儿
雅思口语素材:端午节的传统有哪些?
雅思口分类词汇:蔬菜类(Vegetables)
雅思口语高分范文:a shopping centre
雅思口语高分必备的6个细节
每日雅思词汇:“神舟九号发射”的相关表达
雅思口语6分的评分标准:Fluency
雅思口语7分范文:Chinese festival
雅思口语高分话题范文:activity and sports
雅思口语Part2高分范文:ideal home
雅思口语话题模板:travelling
雅思口语话题模板:父亲节
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