Silkworms(incorrectly spelled silk worms) are the larval form of the domesticated silk moth,Bombyx mori. The silk moth was domesticated in its native habitat of northern China from its wild cousinBombyx mandarin
Finally, around the year 300, silk also travelled from China to Japan. In 1522, the Spanish brought silkworms to Mexico. Today people around the world still make many beautiful things from silk. But silk isn't only beautiful. It looks easy to break, but actually it's very strong. For ...
3. How many silkworms do you need to make a silk dress?4. Why issilk so popularfor making clothes? 2【题目】VIL. Read and answer the questions.读短文,回答问题。SilkSilk is used for making beautiful dresses, shirts, scarves and other kinds of clothes. Silk ismade from the cocoons of ...
Spiders create webs by spinning liquid protein into silk. Although silkworms have been bred to produce silk for thousands of years, spiders are cannibals which makes them impossible to farm. 蜘蛛通过腹部后端吐丝织成网。几千年来,人们一直通过培育家蚕来生产丝绸,但蜘蛛属于同类相食物种,无法进行养殖。
About 2700-2640 B.C.E., the Chinese began making silk. According to Chinese tradition, the part-legendary emperor, Huang Di (alternately Wu-di or Huang Ti) invented the methods ofraising silkwormsand spinning silk thread. Huang Di, the Yellow Emperor, is also credited as the founder of th...
The raw material for silk thread is made by larvae that feed off the leaves of mulberry trees, which are plentiful in this region’s mild climate. Once found in the wild, now the caterpillars – called silkworms – are mostly farmed. One farmer, 67-year-old Ding Xianquing, has raised...
The invention discloses a method for making clothing by adopting clearwater silk floss. The method comprises the following steps in sequence: a, boiling silkworms; b, peeling cocoons; c, slitting cotton; d, airing; e, drawing yarns from cotton; f, twisting yarns; g, coloring; and h, ...
1A.D., silk was sold as far west as Rome, and all along the Silk Road. It connected China with places in the Middle East and Europe. Thanks to the Silk Road, the communication between China and West was greatly improved. Centuries later, in 1522, the Spanish b...
Making silk was a protected secret in China for many years.In other countries,silk was very valuable.Often it was worth more than gold.It was said that the secret was finally given away when a queen left China for India.In her hair,she secretly carried many silkwo...
百度试题 题目Silk is a thin, but strong fiber that silkworms produce when they are making their cocoons.相关知识点: 试题来源: 解析 对 反馈 收藏