na. 【化】合成橡胶
[网络] 双组分

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(151) / 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(115) / 评论(0) 分类 小学英语(深港版)第一册

00:21.39]Listen and read [00:25.36]A:School is over. Let's go home. [00:30.41]B:Look!It is raining. [00:35.08]A:Oh,too bad!I haven't got an umbrella. [00:41.85]B:Don't worry.You may use mine. A:Thanks a lot. [00:48.69]A:School is over. Let's go home.

发表于:2018-12-13 / 阅读(134) / 评论(0) 分类 小学英语陕旅版五年级

[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(107) / 评论(0) 分类 广州小学一年级 (上)

[00:00.00] MODULE 3 STATIONERY [00:05.47]Unit 7 Where's My pencil? [00:11.63]VOCABULARY [00:14.87]where where's=where is pencil it [00:21.40]什么地方;哪里 是在哪里 铅笔 它 [00:27.94]on desk no bed [00:32.96]在...的上面 书桌 不;不是

发表于:2018-12-13 / 阅读(140) / 评论(0) 分类 广州小学三年级 (上) 课本

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(168) / 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(83) / 评论(0) 分类 英语笑话(MP3+文本)

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(123) / 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(74) / 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(66) / 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(112) / 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(98) / 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(78) / 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(70) / 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(82) / 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(152) / 评论(0) 分类 美国习惯用语

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(157) / 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(94) / 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(170) / 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(98) / 评论(0) 分类 英语新闻
学英语单词
?-rich
acutt
Airbangis
airbrakes
anau
anti-condensations
antipropaganda
asbestos base laminate
backing of veneer
bacterial pericarditis
Bosaga
break into portions
bronze
charge excess plasma
charmleys
Childrens Online Privacy Protection Act
clayoquots
co-occurring
coastal effect
coke-like sludge
deaeration tank
drilled down
eaves height
ebersberger
ecological density
fastacting
flow detection
foundation settlement survey
Freer Gallery of Art
fruit jelly
fruit-eater
fuel flow control valve
funiculi
gas and mist sampler
guided missile simulation
harbor seal
have had a cup too much
headward deposition
highway crossing sign
homodromal
hypercreatinemia
Hypochilomorphae
ideologizations
jacket drain valve
job-ready
Kazzafi
keraunic
lamela
leverok
log drive
Lullian
Magazzolo, Fiume
magnesia whisker reinforcement
malvern(great malvern)
Manas Wildlife Sanctuary
martexr
Mascara (Mouaskar)
metallized sinter
mfd
mm. P. P
mouldure
Nakodar
nonlinear functions
normal incidence
oirats
oval groove
parallel direction
Peano axiom
phobic layer
platycrater arguta s. et z.
rat wall
Rayleigh model
red pine seed oil
redolence
reflectance chart
Remote admin
reprobation
repulsive-type maglev
restater
reverse compatibility
roof level
rural industry
Samuda
Sankuri
scroll sheer
secure to single buoy
shechinahs
Taco Time
take in something
tall-poppy syndrome
threadjacks
tiepoloes
tile-fish
Torquato Severo
Trelat's stools
unborrowed
undercofler
unlocally
unpatrolled
ventriduct
water elevator
world polyconic grid