茧层出丝率

Wednesday's air quality index in Atlanta, Georgia, miles away from any of the fires, was unhealthy. In Chattanooga, Tennessee, it was 151. What exactly does that mean? SUBTITLE: What is the AQI? JENNIFER GRAY, CNN METEOROLOGIST: The one thing you nee

发表于:2018-12-02 / 阅读(127) / 评论(0) 分类 CNN美国有线新闻2017年1月

模块四 自然世界 [00:06.19]Unit 1 Wild animals [00:08.62]单元一 野兽动物 [00:11.05]Look and read [00:12.51]看并且读 [00:13.98]Look at this animal.It is big.It is brown.It has long arms and long legs. [00:19.25]看这个动物。它是大

发表于:2018-12-13 / 阅读(181) / 评论(0) 分类 沪教版牛津小学英语五年级

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

发表于:2018-12-18 / 阅读(175) / 评论(0) 分类 2018年VOA慢速英语(二)月

Fifteen hundred years ago in China, silk production was a state secret. The silk trade was so valuable that anyone who tried to take silkworm eggs or mulberry seeds out of China was put to death. Then in 552 AD, two monks smuggled silkworm eggs to Co

发表于:2018-12-28 / 阅读(93) / 评论(0) 分类 初学者听力文摘精选

There is a special day to recognize the importance of the ozone layer. In 1995, the United Nations General Assembly decided September 16th is the International Day for the Preservation of the Ozone Layer. This is the date on which countries signed th

发表于:2018-12-29 / 阅读(143) / 评论(0) 分类 英语课程学习计划和讲义

Secrets Of Silk Production Fifteen hundred years ago in China, silk production was a state secret. The silk trade was so valuable that anyone who tried to take silkworm eggs or mulberry seeds out of China was put to death. Then in 552 AD, two monks s

发表于:2018-12-31 / 阅读(49) / 评论(0) 分类 英语听力文摘 English Digest

Washington 'Nap Cafe' Helps Busy Workers Slow Down Daniel Turissini used to work long hours as a consultant in the Washington, D.C., area. He always felt tired by the middle of the work day. He asked business professionals if he knew what they did to

发表于:2019-01-03 / 阅读(146) / 评论(0) 分类 2018年VOA慢速英语(二)月

Today I shed my old skin which hath ,too long ,suffered the bruises of failure and wounds of mediocrity. Today I will pluck grapes of wisdom from the tallest and fullest vines in the vineyard,for these were planted by the wisest of my profession who

发表于:2019-01-07 / 阅读(59) / 评论(0) 分类 白领英语晨读

I first heard this story a few years ago from a girl I had met in New York's Greenwich Village. Probably the story is one of those mysterious bits of folklore that reappear every few years, to be told a new in one form or another. However, I still li

发表于:2019-01-08 / 阅读(78) / 评论(0) 分类 英语小短文

Module 3 Things around us [00:23.85]unit 1 Colours aroud us [00:29.13]Say and act [00:32.97]Whose bird is this? [00:40.62]Is it yours,Grandma? No,it's not mine. [00:49.40]Mine is black.Is it Grandpa cai's? No,it's not his. [01:03.35]His is blue.Is it

发表于:2019-01-09 / 阅读(211) / 评论(0) 分类 沪教版牛津小学英语五年级

Artist: Cocoon Song: Chupee We have gone to the country In your old car We have lost our way So many times Hello, hello I take you on a trip Hello, hello I take you on a trip Eating your Chupa Chup A plane is making a loop The beavers are so cute A t

发表于:2019-01-11 / 阅读(90) / 评论(0) 分类 舞曲狂欢

'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

发表于:2019-01-12 / 阅读(403) / 评论(0) 分类 2015年VOA慢速英语(九)月

Another way of getting caterpillars is to look for them on the under sides of the leaves of such plants as the nettle, the rose, and the hawthorn. You must feed these caterpillars on the leaves of the plant on which you found them; and as they are ve

发表于:2019-01-17 / 阅读(72) / 评论(0) 分类 英国学生科学读本

I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea

发表于:2019-01-21 / 阅读(113) / 评论(0) 分类 纯正英语一分钟

In the empty blackness of space surrounded by hostile planets and freezing vacuum, planet Earth is an oasis of life. And all because of our protective cocoon of gas. This blanket of air shapes everything we see on Earth. It protects, insulates and su

发表于:2019-01-23 / 阅读(46) / 评论(0) 分类 探索与发现2014年

1500年以前,丝绸的生产是中国的国家机密 Fifteen hundred years ago in China, silk production was a state secret. The silk trade was so valuable that anyone who tried to take silkworm eggs or mulberry seeds out of China was put to death

发表于:2019-01-26 / 阅读(80) / 评论(0) 分类 英语听力文摘 English Digest

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

发表于:2019-01-30 / 阅读(92) / 评论(0) 分类 科技之光

Have you ever seen bamboo shoots in a storm? I have. I remember huddling in a hut in Thailand watching a raging typhoon sweep through the mountains. The clump of bamboo outside the window was completely flattened by the raging winds. The wind was so

发表于:2019-02-07 / 阅读(116) / 评论(0) 分类 阅读空间

9 Tips For Better Sleep Whenever I see a toddler or small animal sleeping in a ridiculous position, a little part of me gets terribly jealous. Not because I want to be a small child or a furry kitten. Because I want to enjoy that same sort of rest! I

发表于:2019-02-18 / 阅读(78) / 评论(0) 分类 阅读空间

背上行囊去旅行吧:Cocoon - Chupee 简单重复的歌词,欢快的曲调。是否在这个夏日里给你带来了一丝凉意呢?你是否也想像歌词里说的那样,想要在这个夏日踏上旅途,穿越过草原、登上山顶、

发表于:2019-03-02 / 阅读(143) / 评论(0) 分类 经典英文歌曲
学英语单词
Active Return
adipose eyelid
agelaiuss
air interchanger
ancient records
antinarrative
arch(a)eocyte
avelinoite (cyrilovite)
back extraction method
Badanah
baech plants
bassingbourns
bi-coiler
bio-tribology
bright sulfur
carboxyfluorescein
cardoens
characteristic of atmospheric transmission
chlorophos
Chonophyllum
combined casting
conduye
contact lamination
costus oils
cousin primes
crescent cell anemia
cushion chamber
Customs Union of the European Economic Community
deep reticular layer
disneyworld
distributing business
dole out the portions
ectangial
electric vehicle
erkin
fin flash
fiscal morality
flower bed?
frenulum buccinator superioris
FTAABS
gas flow distribution test for electro-static precipitator
great transformation
group meetings
haloacetate
harbour limit
high-pressure wind tunnel
holburns
i.n.s
Impatiens holstii
inakor
incremental collapse
intrafat
isoriboflavin
jurisdictional immunity of foreign state vessels
keel boat
kpc
leibnizian
long-haired chum
lukewarmth
Mercouri
meteorological satellites
microdrilling
MicroDV
moistening dryness method
Molly Bright
multibus architecture
musta
Naberera
new hampshire chicken
nonintersection
nonsenge correlation
normally closed solenoid valve
paper-tape transcriber
PGT (Princeton Gamma-Tech Incorporated)
political sphere
portable mortising machine
presurgery
put instruction
Pyrus pyrifolia
racement
Rakata
reed-mace
residuary personal estate
Rolando's column
sacrosanctness
saddle pain
satellite based atomic energy detection system
self start motor
skin cleaner
Social Terrorism
spontaneous emitter
supravesical fossa
surface skin temperature
truck wholesaler
tunica albuginea testess
Valbazen
visual discourse
vpe (vapor-phase epitaxy)
Warramboo
water-glasses
wire carrier
woolds