[生化] 塑性叶绿素

We use plastic wrap to protect our foods. We put our garbage in plastic bags or plastic cans. We sit on plastic chairs, play with plastic toys, drink from plastic cups, and wash our hair with shampoo from plastic bottles! Plastic does not grow in nat

发表于:2018-12-01 / 阅读(351) / 评论(0) 分类 英语专业四级听力50篇

> 08 新型塑胶制品的应用 DATE=3-1-01 TITLE=SCIENCE REPORT- Self-Healing Plastic BYLINE=Mario Ritter (Start at 59

发表于:2018-12-07 / 阅读(123) / 评论(0) 分类 科技之光

AS IT IS 2016-11-05 Fall Colors Not Only Red and Blue 秋天的颜色不仅是红色和蓝色 This is Whats Trending Today. Americans often identify the two major political parties by the colors red and blue. The practice began with the 2000 election

发表于:2018-12-16 / 阅读(158) / 评论(0) 分类 2016年VOA慢速英语(十一)月

SCIENCE IN THE NEWS - A Taxi at 12,000 Meters? New Mini Jets Are About to Shake Up World of Air TravelBy Brianna Blake, Jerilyn Watson and Nancy Steinbach Broadcast: Tuesday, October 31, 2006 VOICE ON

发表于:2019-01-02 / 阅读(121) / 评论(0) 分类 2006年慢速英语(十)月

Researchers may have found an unusual way to reduce plastic pollution, one bite at a time. It turns out that the common wax worm can eat plastic. Also known as the Galleria mellonella, these worms may help reduce the waste caused by plastic bags. Eac

发表于:2019-01-02 / 阅读(127) / 评论(0) 分类 2017年VOA慢速英语(五)月

By Ted Landphair Washington 09 August 2007 Every day, American consumers are offered a simple choice when they areby a store's cashier: paper or plastic? But as VOA's Ted Landphair explains in today's searching for solutions report, some communities

发表于:2019-01-07 / 阅读(174) / 评论(0) 分类 2007年VOA标准英语(八月)

Finn: Hello, I'm Finn, welcome to 6 Minute English. With me in the studio today is Neil. Neil: Hi there, Finn. Finn: Hello Neil. Today we have a royal story about Catherine, Duchess of Cambridge - or as she is still often known - Kate Middleton. Neil

发表于:2019-01-07 / 阅读(133) / 评论(0) 分类 六分钟英语

Plastic Recycling From VOA Learning English, this is EXPLORATIONS in Special English. Im Kelly Jean Kelly. And Im Christopher Cruise. Today we follow plastic bottles and other plastic objects as they go to one of the largest recycling centers in the

发表于:2019-01-12 / 阅读(120) / 评论(0) 分类 2013年VOA慢速英语(五)月

EXPLORATIONS - Plastic Recycling From VOA Learning English, this is EXPLORATIONS in Special English. Im Kelly Jean Kelly. And Im Christopher Cruise. Today we follow plastic bottles and other plastic objects as they go to one of the largest recycling

发表于:2019-01-12 / 阅读(137) / 评论(0) 分类 2013年VOA慢速英语(三)月

Autumn Leaves Show Their True Colors As days grow shorter and nights grow cooler in Boulder, Colorado, the green leaves of summer have been putting on party colors. On cottonwood trees and aspens, theyre golden yellow coins. On Mapleton Avenue, the m

发表于:2019-01-13 / 阅读(159) / 评论(0) 分类 VOA标准英语2011年(十一月)

AUDIE CORNISH, HOST: Need a distraction from the news? ARI SHAPIRO, HOST: We have one. CORNISH: It's a reminder of the good things in life that are free. SHAPIRO: Another commercial for Nicer Living. (SOUNDBITE OF ARCHIVED RECORDING) UNIDENTIFIED MAN

发表于:2019-01-17 / 阅读(168) / 评论(0) 分类 2017年NPR美国国家公共电台2月

Voice 1 Welcome to Spotlight. Im Liz Waid. Voice 2 And Im Adam Navis. 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 In the last fifteen years, farmers

发表于:2019-01-19 / 阅读(129) / 评论(0) 分类 环球英语 Spotlight

Its amazing to think there wasnt any plastic one hundred years ago. Now its everywhere. Almost everything thats made has some plastic in it. Whoever invented it must be really rich. There are all kinds of plastic. Its pretty useful stuff. I once went

发表于:2019-01-21 / 阅读(110) / 评论(0) 分类 纯正英语一分钟

Its amazing to think there wasnt any plastic one hundred years ago. Now its everywhere. Almost everything thats made has some plastic in it. Whoever invented it must be really rich. There are all kinds of plastic. Its pretty useful stuff. I once went

发表于:2019-01-24 / 阅读(102) / 评论(0) 分类 听一分钟英文-P

Plastic Pollution NB: This is not an accurate word-for-word transcript Dan: Hello and welcome 6 Minute English from the BBC. Im Dan Walker Smith and today Im joined by Kate. Kate: Hello Dan. Dan: Now today Kate and I are talking about pollution. Kate

发表于:2019-02-04 / 阅读(138) / 评论(0) 分类 六分钟英语

By Robert Raffaele Washington, DC 12 February 2008 Tests on several plastic baby bottles have found they emit very significant levels of a chemical linked to deadly illnesses in laboratory animals. That is according to a new report released by Americ

发表于:2019-02-07 / 阅读(142) / 评论(0) 分类 VOA常速英语2008年(二月)

雅思阅读考试备考中很重要的一个部分就是对雅思阅读文章题材的熟悉和掌握。 雅思阅读考试的文章通常分为生物、地理和社会科学三类。雅思文章的出处有很多,其中最实用的、便于积累背

发表于:2019-02-12 / 阅读(166) / 评论(0) 分类 雅思英语

Because chlorophyll is the chemical responsible for making leaves green, its absence allows chemicals such as carotinoids, xanthophylls, and others to give leaves their orange, yellow, and various other colors. As trees stop producing chlorophyll, th

发表于:2019-02-15 / 阅读(123) / 评论(0) 分类 英语时差8,16

They were at a deli in lower Manhattan. They ordered a ham sandwich with the works. The worker behind the counter was wearing plastic gloves. They watched him put ham, onion, tomato, and lettuce on each roll. He put the rolls on paper plates. He hand

发表于:2019-02-22 / 阅读(149) / 评论(0) 分类 英文短篇故事(纽约)

Well, mushrooms are merely one of many types of fungi. Not all fungi grow in soil. However, mushrooms and other fungi do resemble plants in many ways, so much so that scientists long classified fungi plants, but they know better now. Eating Habits Wh

发表于:2019-02-24 / 阅读(108) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
accordance
altiplanos
ankylodere
antifreeze
Artemia salina
artyomov
band of column
bandaqe
beheard
best fishing period
bioeconomics
biological input
cellulose butyrate fiber
cerostoma
chromidial substance
cloud-free
condylura cristatas
cyclooctene
cyclopentanepentone
definitive accessory veins
desertful
dogmatize
drouths
electric slow cooker
emulsan
endothelial phagocytosis
Estate Duty Ordinance
Euorthoptera
filing a claim for recovery
fracture azimuth
gas distillate producer
Gavrilov-Yam
Gelibolu
geographical relics
goal setting
goniodysgenesis
hammered rivet
headquarters management
hemogenesis
hexagonia tenuis
homangicendothelioma
hysteresis cluth
iche
in-the-flesh
industrical television
initial condition code
isopropenyls
leitmotifs
lets in
lizardskin
lug flange
maintenance funds
make an end of
margaritaceus
mastic decking
mean water neaps
mesadenia
millenary
Mohawk River
nonproductive expenditure
NRZ (nonreturn-to zero) logic
nullosetigera mutata
Obogu
Olbia
outstanding amount
Para-Aminohippuric
pissaba palms
plastic base mirror
plot-inbreeding method
pointer qualifier
Proteus morganii
rabier
received stamp
restrike of arc
scleroscope hardness tester
segmentation furrow
setting pressure
settlement warrant
shoulder swing
sibbens
simple stress
skin-magazine
sludge burning pump
snowblades
species transformation
spotted asparagus beetle
stabilization factor
stepless speed changing
target return on sale
terata
thermal transfer
thirstest
thrombosis of hepatic artery
thumped
tropical disturbance
truffe
uk -ward
ungladsome
ven? interlobulares
washing appliance
xenophobia
zymo-exciter