单词：silk-like fiber
单词：silk-like fiber 相关文章
material scientists admire spider silk for being lightweight and strong.now another arthropod product is getting into the act insect cuticle,the tough flexible material is inside insect skeleton.researchers at harvard * institute for biological inspi
Scientific American(十二)月
Our story is called A Pair of Silk Stockings. It was written by Kate Chopin. Here is Barbara Klein with the story. Little Missus Sommers one day found herself the unexpected owner of fifteen dollars. It seemed to her a very large amount of money. The
2018年VOA慢速英语(二)月
This is scientific Americans 60-Sencond Science. I am Karen Hopkin. This will just take a minute. When you think about silk, you probably think of gossamer fibers woven into lustrous garments or decadently soft bedsheets. But silk is also prized for
Scientific American(四)月
Whats five times as strong as steel, twice as tough as Kevlar, and can be stretched over thirty percent in length without breaking? The answer is spider silk. 什么东西的强度是钢的5倍？什么东西的韧性是凯夫拉的2倍？什么东西能
初学者听力文摘精选
EXPLORATIONS – May 29, 2002: Silk Road Folklife Festival By Marilyn Christiano VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program, EXPLORATION
Explorations
'A Pair of Silk Stockings' by Kate Chopin Our story is called A Pair of Silk Stockings. It was written by Kate Chopin. Here is Barbara Klein with the story. Little Missus Sommers one day found herself the unexpected owner of fifteen dollars. It seeme
2015年VOA慢速英语(九)月
Silk Road Ensemble Celebrates Cultural Harmony 丝绸之路合奏团和谐文化演出 NEW YORK CITY The diverse musicality of the Silk Road Ensemblesome hyper-traditional and some simply hybridmirrors the endless variety along the ancient Silk Road
VOA标准英语2014年(一月)
Voice 1 Welcome to Spotlight. Im Christy VanArragon. Voice 2 And Im Mike Procter. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 It is stronger than ste
环球英语 Spotlight
The Silk Road is generally accepted to be an ancient route for travel and trade connecting Eurasia and Africa. The route was named by German geologist Ferdinand Richthofen in his book in 1877, as he believed it was initially used for silk trade betwe
2016CRI中国国际广播电台
The 21st Century Maritime Silk Road China International Communication Forum is being held in southern China. Co-hosted by China Media Group and the People's Government of Guangdong Province, this year's forum in Zhuhai is focusing on the achievements
2018CRI中国国际广播电台
秀水街是北京老外流连忘返的地方，没有想到雪莉要辛迪陪她去逛秀水街，难道是雪莉也开始赶时髦了吗？一起来看个究竟吧。 Listen Read Learn Shirley: How about we go to Silk Street this afternoon? Cindy: It's surprising. I thought you didn't like that place.
英语口语大赢家
The Blue Silk Pajamas 蓝色丝绸睡衣 A man phoned home from his office and told his wife, Something has just come up. I have a chance to go fishing for a week. It's the opportunity of a lifetime. 丈夫从单位给妻子打电话：突然有些事情
英语小达人
48 科学家发现：蜘蛛丝强度要胜过绳子 DATE=5-16-01 TITLE=SCIENCE REPORT - Spiders and Silk BYLINE=Jill Moss (Start at 59
科技之光
AMERICAN MOSAIC -July 5, 2002: Folklife Festival -Silk Road 03 Jul 2002, 19:07 UTC (Smithsonian photo -Kimberly Freeman) HOST: Welcome to AMERICAN MOSAIC — VOA’s radio magazine in Special English.
American Mosaic
These common leftovers are often discarded but you could be throwing away nutritional goodness, natural remedies and even cleaning products. Click through to see the food scraps you could be reusing. 这些普通的剩菜通常被人们丢弃，但可能
实用英语
This year's Silk Road International Film Festival has come to the end in Fuzhou. More than 100 films from nearly 70 countries and regions have been screened since last Tuesday. Many participants are seeing the festival as a new channel to tap into Ch
2017CRI中国国际广播电台
Chinese actor-director Wu Jing is now working as a cultural ambassador who helps promote a Silk Road international film festival. Wu Jing spoke at the opening ceremony of film festival on Tuesday evening in Fuzhou, capital of Fujian province. Along w
2017CRI中国国际广播电台
For thousands of years, whats called the Silk Road was a group of land and sea trade routes that connected the Far East with South Asia, Africa, the Middle East and southern Europe. Of course, when humans travel they carry their pathogens with them.
2016年Scientific American(八)月
Jack and Annie kept walking across the pasturetoward the road. Annie stopped when they neared thefarmhouse. We have to find the silk weaver and give her themessage, she said. Let's do that on our way back, said Jack. I'mworried about finding the Impe
汪培珽儿童英文分级书单《神奇树屋》
Silk 蚕丝 Silk is the strongest natural fiber in the world, as far as we know. Scientists long to understand just how exactly the silkworm manages the process of silk weaving, so they can replicate the process in order to manufacture such things as
英语听力文摘 English Digest