【化学】乙酸纤维素塑料

Passage 7 Plastic 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 d

发表于:2018-11-30 / 阅读(100) / 评论(0) 分类 英语专业四级听写

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(303) / 评论(0) 分类 英语专业四级听力50篇

[01:05.65]Dialogue Language Structure: [01:09.96]The Present Continuous Tense in the Passive Voice [01:14.06]A:This brides is getting more and more crowded. [01:17.95]B:Yes.Look!So many cares are being held up. [01:22.34]A:As a matter of fact,the tra

发表于:2018-12-04 / 阅读(208) / 评论(0) 分类 高中英语上外版一年级

My Cock Clock我的公鸡闹钟 Hello! My name is Dongdong. Do you know I have a nice cock? It is a beautiful cock. It is in my bedroom. In fact it is an alarm clock. The big and round body is made of plastics and the clock is set in it. There is a r

发表于:2018-12-06 / 阅读(139) / 评论(0) 分类 X星球系列故事

New Plastic-Eating Substance May Help Fight Against Pollution Scientists in Britain and the United States have designed a substance that eats plastic. They believe that, in the future, it could help reduce pollution. 英国和美国科学家设计出了

发表于:2018-12-08 / 阅读(40) / 评论(0) 分类 2018年VOA慢速英语(四)月

The Great Pacific Garbage Patch may be disappearing, and not in a good way. New research presented at the biannual meeting of the American Chemical Society reveals that polystyrene actually can break down in seawater. Polystyrene is probably better k

发表于:2018-12-24 / 阅读(87) / 评论(0) 分类 Scientific American(八)月

Fungi with previous experience in bioremediation show promise for breaking down BPA, an endocrine disruptor, and plastics that contain them. Cynthia Graber reports 【英文文本】 Bisphenol A. Also called BPA, it's used to make shatter-proof plast

发表于:2019-01-02 / 阅读(99) / 评论(0) 分类 60秒科学

Very small pieces of plastic, called microfibers, are polluting rivers and oceans. The source of these microfibers may surprise you: your clothes. Clothes worn for outdoor activities and exercise are often made of synthetic material, like polyester o

发表于:2019-01-02 / 阅读(72) / 评论(0) 分类 2017年VOA慢速英语(四)月

β-Amyrin β-香树脂醇 α-Amyrin acetate α-香树脂醇乙酸乙酯 β-Amyrin acetate β-香树脂醇乙酸乙酯 β-Amyrin palmitate 棕榈酰β-香树酯 Anabasine 毒藜碱 Anagyrine 臭豆碱,安

发表于:2019-01-03 / 阅读(97) / 评论(0) 分类 医务英语

Plastic 塑料制品 What does the word plastic mean? Plastic这个词是什么意思? It means changeable in Latin. 它在拉丁文中的意思是可变的。 Are there many kinds of plastics? Yes, there are. 塑料制品的种类多吗?是的,种

发表于:2019-01-10 / 阅读(77) / 评论(0) 分类 与美国小学生一起学英文第7册

Recycling 回收利用 People make old things into new things, this is called recycling. 人们把旧物翻新称为回收利用。 People can recycle only some materials, such as paper, glass, plastics, clothing, computers, cellphones and metal. 只有

发表于:2019-01-10 / 阅读(63) / 评论(0) 分类 与美国小学生一起学英文第1册

AS IT IS 2014-07-10 Plastics Blamed for Harm to Sea Environment 塑料对海洋环境造成严重危害 A new report says plastics are responsible for $13 billion in damage to the oceans and the undersea environment. The findings were announced recen

发表于:2019-01-12 / 阅读(75) / 评论(0) 分类 2014年VOA慢速英语(七)月

Recycling Bin - End of Line, a New Beginning The recycle bin. It is often the last stop for empty containers. But for papers, plastics, cardboards and cans, it can mark the beginning of a journey thousands of kilometers long. As long as people keep t

发表于:2019-01-13 / 阅读(66) / 评论(0) 分类 VOA标准英语2012年(六月)

Recycling 再循环利用 A: Recycling is big business these days, isn't it? A:近来再循环是一项巨大的业务,是吗? B: Yes, it's definitely a growing business. B:是,它的确是一项欣欣向荣的业务。 A: What do you recycle in

发表于:2019-01-14 / 阅读(51) / 评论(0) 分类 职业技术英语口语

The study tested uncooked salmon with the skin left on. Health officials say most pollutants are in the skin and the fat just below. They say removing the skin and cooking away fat removes many of the pollutants. The study says the chemicals apparent

发表于:2019-01-22 / 阅读(55) / 评论(0) 分类 英语时差8,16

I have a peculiar stick and I often ask people to guess what it is made of. 我有一根奇特的棍子,我常常让人猜它是什么做的, They usually say horn or hard rubber. for it will bend. 一般都回答是用动物角或硬橡胶做的,

发表于:2019-01-24 / 阅读(67) / 评论(0) 分类 美国学生世界地理教材

Science and Technology Plastics There and back again 科技 塑料 旧法新用 An old idea may help solve the problem of plastic waste 一个老方法也许可以帮助解决塑料垃圾的问题 PLASTICS were once regarded as wonder-materials. They

发表于:2019-01-26 / 阅读(84) / 评论(0) 分类 经济学人科技系列

My Cock ClockHello! My name is Dongdong. Do you know I have a nice clock? It is a beautiful clock. It is in my bedroom. In m\fact it is an alarm clock. The big and round body is made of plastics and the clock is set in it. There is a red comb on its

发表于:2019-02-18 / 阅读(120) / 评论(0) 分类 英语美文

Rebecca Hosking makes documentary films. Recently, she worked on a documentary film for the BBC about the effect of plastics in the marine environment. She was shocked by what she saw as she was making the documentary. She found many sorts of sea cre

发表于:2019-02-19 / 阅读(64) / 评论(0) 分类 听播客学英语

An international group of scientists has engineered an enzyme which they say will be able to eat some of the most common plastic. It's being touted as a possible way to fight pollution. Improvements aimed at making the enzyme work more effectively ar

发表于:2019-02-22 / 阅读(107) / 评论(0) 分类 2018CRI中国国际广播电台
学英语单词
actual immunity
additive congruentical method
Alcubierre, Sa.de
alnusenone
amaurornis phoenicurus
amidships area ratio
anemotachometer
antiracing
atalantis
atomic absorption spectroscopy
bahroes
banking funds
bleachiest
bolivianos
bower vines
broadside slip
brown-earth
buttock face
caldies
combined account
conductible
consumption meter
coupler in emulsion type
crewets
crown hinge
cycle permutation
development of dye
door-knobs
ducks and drakes
earth gravity field model
education and intelligent support system
effective-pull
epapophysis
etica
exhibition-goer
fields of vision
foltz
free space management
frequency resolution constant
GVRP
halca
high temperature thermal insulation material
high-voltage corona
hokianga
homocarnosine
hypophyllum
illicits
in other word
in-milling
intensifyings
internal combustion loco
Jingtai
junction gate
Kemabung
leakage and drip
lemaille
lindstroemite (lindstr mite)
long type dissecting knife
LTSA
lu-fan
macro scheme
magnet quenching
manufacturing statement
masking voltage
median tolerance limit
Merchant Adventurer
mishyphenations
Mwaru
N-acetyldjenkolic acid
Na Dene
needle ore (aikinite)
neutron-irradiated
ngugi
nonspecific inflammatory spondylopathy
norville
Novaya Ladoga
Nyangus'yakha
patellamide
picture-boxes
quasipoint radio source
rapid-scanning interferometer
reactor safety circuits
real estate
regiones cubiti posterior
resignments
rubber-tired open-pit drill wagon
satellite dish
SEAMETS
soakest
spindle guide
Stahlian
standard mineral
Styrax roseus
talabecland
Theligonum japonicum
to break the bank
triple circuit jack
unnooked
use drugs
uttermore
violate operating regulation
Viswema