塑料球压痕硬度试验

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(99) / 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(298) / 评论(0) 分类 英语专业四级听力50篇

[01:08.81]Part A Directions: [01:12.28]For Questions 1-5,you'll hear a personal life story [01:17.84]While you listen, [01:21.01]fill out the table with the information you've heard. [01:25.45]Some of the information has been given to you in the tabl

发表于:2018-12-03 / 阅读(75) / 评论(0) 分类 最新版英语听力教程

[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(204) / 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(132) / 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(39) / 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(77) / 评论(0) 分类 Scientific American(八)月

This week were looking at expressions used for sharing information with people when you are trying to help them out. We talk about which expressions are casual, which are formal, and which can be used in different situations. All of the expressions a

发表于:2019-01-01 / 阅读(44) / 评论(0) 分类 英语博客-北美风情

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(93) / 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(62) / 评论(0) 分类 2017年VOA慢速英语(四)月

1135 、 晶体点阵;晶体格构;晶格 crystallattice 1136 、 棘轮和爪 ratchetandpawl 1137 、 棘齿 ratchet 1138 、 棘齿弓钻 ratchetbrace 1139 、 壳型模塑 shellmoulding 1140 、

发表于:2019-01-03 / 阅读(94) / 评论(0) 分类 英文名句短语

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(70) / 评论(0) 分类 与美国小学生一起学英文第7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(70) / 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(61) / 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(49) / 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(50) / 评论(0) 分类 英语时差8,16

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(75) / 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(112) / 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(59) / 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(98) / 评论(0) 分类 2018CRI中国国际广播电台
学英语单词
adverse weather condition
afterburn
ammonium imines
amphidrome
aptocholecystectomy
as drunk as an owl
basualdo
biscogniauxia formosana
blockheadisms
bring it on!
British Export Board
by the log
Cassia acutifolia
circular economy
core exit pressure
deposition sedimentation
destination task
direct viewingtype
direction of deviation
do justice to a dinner
Dulong and Petit's rule
electrostatic displacemen
ellipticity angle
estrategia
falcn
flow value
furnace atmosphere
future public land mobile telecommunications systems
glacier lake
govanianum
Granadilla foetida
Hematol
high speed plough
Huazhong
huyr
hybrid watch
impeller seals
intensity modulation scan
intrinsic redshift
Jhunjhunu
Lalimbuë(Lalimboee)
leaf tree
Leonurus heterophllus
long - term performance
look on the dark side of things
lundahl
make a victim of
medium grained
Michaelmastide
monoballism
n-max
neurocoeles
non-adiabatic rectification
normal spectral measure space
note for growth habit
numerical reservoir model
nyberg
of little worth
one-dimensional disorder
oxygen ratio
pandemic planning
Penapolis
phase of crystallization
pleurosigma strigosum
politican
postmortem wound
primordians
pristipomoides typus
protentomon
purchasing-manager
radial stay
randomized complete-block design
reiterative
rubus peltatus maxim.
saccoes
sales received in advance
satellite electronic countermeasures system
ship integrated power system
shoot range
soft-server
sopas
spermine
ST_moving-up-or-down_up-and-upward
stage party
stargazy pies
start on
stinky pinky
subcritical reactivity
tax on sales and turnover
touch-screen terminal
treasurydirect.gov
ultraviolet microspectrometry
unfutured
uninterruptible
unremembers
vareniki
Verrucomorpha
very low-density lipoprotein
warve
whole body autoradiograpy
yanbaru