不饱和合成橡胶

Illicitly used Synthetic drugs are chemically produced psychoactive substances that mimic the effects of illegal narcotics, which have been altered just enough to avoid classification as illegal. And this is one reason why these chemicals are dangero

发表于:2018-12-08 / 阅读(268) / 评论(0) 分类 VOA标准英语2017年(三月)

[00:00.00] UNIT 4 [00:02.98] My School things [00:06.53]A Point and say. Listen. [00:12.77] It's rubber. It's a pencil. [00:18.63] Now say [00:21.68] It's rubber. It's a pencil. [00:33.23]a ruler a bag [00:43.39]a rubber a pen [00:53.97]a pencil a pe

发表于:2018-12-12 / 阅读(198) / 评论(0) 分类 小学英语(深港版)第一册

[00:00.00]Unit 2 I HAVE A NEW BAG [00:04.88]Unit 2 page 10 [00:10.32]LET'S SING [00:13.48]Listen, sing and act. [00:17.24]I HAVE A NEW PENCIL [00:21.19]I have a pencil.It is new.Here is my pencil.It is new. [01:39.55]Unit 2 page 10 [01:45.82]PIGGY BA

发表于:2018-12-13 / 阅读(196) / 评论(0) 分类 广州小学一年级 (上)

Unit 1 My classroom [00:04.60]Students' book Page 2 [00:08.36]Let's act [00:11.42]Stand up,please. [00:14.58]Sit down,please. [00:17.84]Open your book. [00:22.49]Close your book. [00:25.55]Stand up,please. [00:29.02]Sit down,please. [00:32.39]Open yo

发表于:2018-12-13 / 阅读(261) / 评论(0) 分类 沪教版牛津小学英语一年级

rubber Guess what the penis said to the rubber. The answer is Cover me. I'm going in. Notes: 1. Guess what the penis said to the rubber. 猜猜小弟弟会跟安全套说什么。 penis的口语别称有dick, peter, tool,所以在美国的年轻一辈

发表于:2018-12-26 / 阅读(173) / 评论(0) 分类 英语笑话(MP3+文本)

Nuts, Nuts, Good for Your Heart 吃坚果有益于你的心脏 Todays program starts with a word association game. What comes to mind when you hear these words: almonds, walnuts, cashews, pistachios. Are you thinking scrumptious and satisfying? Or un

发表于:2018-12-28 / 阅读(126) / 评论(0) 分类 初学者听力文摘精选

Fred had a red rubber ball. He kicked the ball. It flew through the air. He picked it up. He threw it against a wall. The ball came back to Fred. He kicked it with his foot again. The ball flew over the wall. He picked it up again. He bounced it on t

发表于:2019-01-02 / 阅读(210) / 评论(0) 分类 超级简单英语阅读

SYDNEY: All molecules are not created equal. Some have saved billions of lives, wreaked environmental havoc or made the world a more colorful place. Here's our selection of those that have changed the course of human history。 发自悉尼:分子并

发表于:2019-01-08 / 阅读(170) / 评论(0) 分类 实用英语

今天我们要学的词是rubber stamp。 Rubber stamp, 橡皮图章,是不经过考虑就予以批准的意思,带有贬义。 The owner makes all the decisions, and the board is just a rubber stamp, 凡事都是老板作主,董事会只是一个

发表于:2019-01-08 / 阅读(170) / 评论(0) 分类 英语单词荟萃

在排球、乒乓球等比赛中,经常会出现双方前几场持平,最后“一局定输赢”的情况。在英语中,“决胜局”就叫做rubber game。 为什么要用rubber来表示“打

发表于:2019-01-08 / 阅读(194) / 评论(0) 分类 英文语法词汇

AGRICULTURE REPORT – June 18, 2002: Sunflower Rubber By George Grow This is the VOA Special English AGRICULTURE REPORT. Many farmers grow sunflower plants. The tall plants produce beautiful flowers

发表于:2019-01-11 / 阅读(190) / 评论(0) 分类 农业与发展

Rubber May Soon Come from Weed 橡胶或很快能从杂草提炼 People have been using products made with synthetic rubber for more than a century. But high-quality tires for cars, trucks and aircraft still must contain 40 percent or more natural ru

发表于:2019-01-12 / 阅读(173) / 评论(0) 分类 2014年VOA慢速英语(九)月

Research Breakthrough for Biodegradable Tires? 研究人员研发完全可降解轮胎 Researchers say they have created a new synthetic rubber that could be used to make biodegradable tires. A team at Texas AM Universitys campus in the Gulf nation o

发表于:2019-01-12 / 阅读(153) / 评论(0) 分类 2016年VOA慢速英语(九)月

Light Bulb Inventor Tried to Create Fake Rubber At the turn of the 19th to 20th centuries, the prolific American inventor and businessman Thomas Alva Edison developed devices that changed industry, communication, and everyday life - from a practical

发表于:2019-01-13 / 阅读(187) / 评论(0) 分类 VOA标准英语2012年(六月)

今天我们要讲几个在美国总统大选的竞选阶段常会用到的习惯用语。美国总统大选每四年举行一次。在大选年的前一年,准备竞争本党总统候选人提名的人士就已经在各州积极展开竞选活动了,

发表于:2019-01-16 / 阅读(270) / 评论(0) 分类 美国习惯用语

Olive oil is 100% fat; there's nothing else in it. 橄榄油含有100%的脂肪,除此之外没有别的。 Pancake mix, on the other hand, is only about 11% fat. 相反,煎饼只有约11%的脂肪。 And, yet, olive oil is good for you, and panc

发表于:2019-01-17 / 阅读(166) / 评论(0) 分类 TED演讲教育篇

BEIJING, Aug. 8 (Xinhua) -- China on Wednesday started to review anti-dumping measures it imposed on chloroprene rubber imported from a Japanese company, the Ministry of Commerce said. The move came after the ministry received complaints that Japan E

发表于:2019-02-05 / 阅读(260) / 评论(0) 分类 英语新闻

Work begins this month on a new, environmentally-friendly power plant in Liberia that will use old rubber trees to generate electricity. It is part of a plan to make Liberia the world's first sustainable biomass-driven economy. Natural rubber has an

发表于:2019-02-12 / 阅读(177) / 评论(0) 分类 VOA标准英语2009年(九月)

SYDNEY: All molecules are not created equal. Some have saved billions of lives, wreaked environmental havoc or made the world a more colorful place. Here's our selection of those that have changed the course of human history。 发自悉尼:分子并

发表于:2019-02-13 / 阅读(265) / 评论(0) 分类 阅读空间

SYDNEY, Aug. 5 (Xinhua) -- The Western Australian Government announced on Friday that 14 new substances linked to the manufacture of the synthetic drug Kronic would be banned from Friday midnight. The State Mental Health Minister Helen Morton told th

发表于:2019-02-19 / 阅读(177) / 评论(0) 分类 英语新闻
学英语单词
965
acid-digestion mine water
aerobic spore forming bacilli
ammonium antimony fluoride
analog microwave relay system
arid biogeographic zone
aspen forest
azoic compound
be dismissed
bonelessness
bottle wax
business auditing
Campo de Criptana
carnavorn
cellular mobile telephone network
checksheet
circulation activities
complexon II
confined reservoir
conformal coordinate transformation
conquests
container bill of lading
container type launcher
copywrite
dacron suture
digital data conversion equipment
dislodg(e)ment
dytone
Easter Sundays
edessas
egg crate arrangement
erlinge
factorization problem
ferrovanadiums
fire power score
flint polishing strip
Gambel's quail
gone to ground
habitat complex
have sth coming out of your ears
hemerocallis thunbergii baker
hole alternating current
home front
hormones poisoning
hot blow
Hypomyces
iesna
image mutual coherence function
imitation leather paper
immersion muffle
inverted directory
investment returns
jump drilling
Juqalan
keptest
know nothing about
Kretschmer types
Largophren
local stocks
localized financial disturbance
Ludvika
Mahler's sign
Orgametil
orgya
palography
peripheral theory of thinking
photoelectrically balanced slidewire potentiometer
phototypesetting machine
pollution of ground water
Polygonum sparsipilosum
potassium oleate
potato-ring
Primula purdomii
quetzal bird
reduce and cancel debts
relict method
reweaved
rimae
ring-shaped hydrocarbons
Rolle mean value theorem
rule of thumb data
rwandese republics
scientific evidence
send up a flare
separation identification system
sfsrsosnsts-s
sloping roof skylight
small earth terminal
sodium salvarsan
stress-tolerant
struss
sweat roll
tiness
torffelson
transmastoid
tricepses
ventricular decompression
vittail
water flow switch
wooden plate girder
yaik
zarab