[化] 硫酸铝铯; 铯矾; 铯明矾

3 Listen carefully to the conversations and short passages [00:07.99]and choose the best answer to each of the questions. [00:13.56]1.A)She is pitiful. B)She is too shy to apply. [00:33.41]C)They are afraid of her. D)She is intelligent. [00:41.27]2.(

发表于:2018-12-01 / 阅读(219) / 评论(0) 分类 大学六级听力模拟题

This is the VOA Special English Development Report. Researchers say they have found a way to extend the storage life of a drug used to treat H.I.V. Their work could give infected mothers in the developing world a new way to prevent the spread of the

发表于:2018-12-16 / 阅读(83) / 评论(0) 分类 2010年VOA慢速英语(五)月

New Documentary Explores Aluminum's 'Dark Side' Aluminum is everywhere, including in products that make us feel better, safer and cleaner. Like antacids, sunscreen and antiperspirants. But Austrian filmmaker Bert Ehgartner says theres another side to

发表于:2018-12-16 / 阅读(75) / 评论(0) 分类 VOA标准英语2013年(五月)

From NPR News in Washington, I'm Lakshmi Singh. CIA analysts are going through documents and other information taken from the raided compound in Pakistan where US special operations team killed Osama bin Laden. NPR's Rachel Martin says the data could

发表于:2018-12-17 / 阅读(108) / 评论(0) 分类 2011年NPR美国国家公共电台5月

报纸缩略词语 一.房屋广告 amens amenities 环境舒适 kit kitchen 厨房 appl appliances 家用电器 lse lease 租房协议 apts apartments 独立房屋 lge large 大 avail available 可提供 LR living room 起居室 bach bachelor 单人套

发表于:2018-12-18 / 阅读(98) / 评论(0) 分类 英文语法词汇

[00:06.37]The United States has a new official clock. [00:10.95]The clock began operating late last year in the American city of Boulder,Colorado. [00:18.39]Experts say the new clock is so exact that it will neither gain nor lose so much as one secon

发表于:2018-12-26 / 阅读(67) / 评论(0) 分类 美国英语听力80篇

TEST 3 Listen carefully to the conversations and short passages [00:07.99]and choose the best answer to each of the questions. [00:13.56]1.A)She is pitiful. B)She is too shy to apply. [00:33.41]C)They are afraid of her. D)She is intelligent. [00:41.2

发表于:2018-12-30 / 阅读(92) / 评论(0) 分类 英语六级听力练习集锦

Youve given some thought to oxygen, carbon, uranium. But youve probably never mused about the element ytterbium, symbol Yb. A new study by scientists at the National Institute of Standards and Technology, or NIST, says that ytterbium could find a rol

发表于:2019-01-08 / 阅读(81) / 评论(0) 分类 Scientific American(八)月

I like to joke that I am who I am today because I did everything wrong in my 20's. I've always been fearless, and it often got me in trouble. I wasn't afraid to start a business, borrow a bunch of money, or quit a well-paying job to travel the world.

发表于:2019-01-08 / 阅读(71) / 评论(0) 分类 英语美文

Several accords signed to boost relations between Turkey and Cameroon Ntaryike Devine, Jr. | Yaounde, Cameroon 17 March 2010 It was the first trip to Africa for the Turkish president, who arrived in Cameroon yesterday accompanied by 120 businessmen,

发表于:2019-01-13 / 阅读(88) / 评论(0) 分类 VOA标准英语2010年(三月)

AUDIE CORNISH, HOST: The White House is postponing most of its steel and aluminum tariffs for at least another month. Tariffs were due to kick on - to kick in on a number of countries at midnight tonight. They're part of a broader effort to crack dow

发表于:2019-01-16 / 阅读(124) / 评论(0) 分类 2018年NPR美国国家公共电台5月

DAVID GREENE, HOST: A lot of the aluminum and steel we use here in the United States is imported from other countries. And that, according to a report from the Commerce Department, is a threat to national security. Last week, department officials rec

发表于:2019-01-16 / 阅读(108) / 评论(0) 分类 2018年NPR美国国家公共电台2月

The few surfaces not covered by signs are often clad in a distinctive, dark green-gray, striated aluminum siding. 这仅存的没有被商标遮盖的建筑,一般都被包裹在有特色的阴暗铝灰条纹的铝制外壁板之中。 Take-out san

发表于:2019-01-18 / 阅读(121) / 评论(0) 分类 TED演讲商业篇

Protamine sulfate is a drug that reverses the anticoagulant effects of liver compounds such as heparin. Protamine is extracted from the sperm of salmon and other species of fish, and then made into a protamine sulfate injection which is a necessary d

发表于:2019-01-19 / 阅读(100) / 评论(0) 分类 世界各地新闻集锦

A: I am looking for a pan. B: No problem. What size would you like? A: A big one would be nice. B: How about this one? It's our biggest16 in diameter. A: Oh, yes. I like that one. But it's too heavy. B: Okay, try this one. It's made of aluminum. A: O

发表于:2019-01-20 / 阅读(134) / 评论(0) 分类 购物英语对话

A: Can you help me find a pan? B: Are you looking for a small, medium, or large pan? A: I want a big pan. B: Does this one look big enough? A: Yes, it's the right size, but it weighs too much. B: Well, what do you think of the aluminum pan? A: It's l

发表于:2019-01-20 / 阅读(143) / 评论(0) 分类 购物英语对话

U.S. retail sales fell half a percent in June providing more evidence that the U.S. economic recovery will slow down in the second half of the year. But the weaker than expected consumer spending appeared to have little impact on Wall Street as inves

发表于:2019-02-05 / 阅读(80) / 评论(0) 分类 VOA标准英语2010年(七)月

Apple made its case for consumers to buy its forthcoming smartwatch, positioning the device as a way to handle the brief interactions that fill our days, from meeting reminders to short messages to calling for a car. 苹果公司发布了新款智能手

发表于:2019-02-18 / 阅读(111) / 评论(0) 分类 阅读空间

We keep pumping carbon dioxide into the atmosphere and the earth keeps warming. Climate scientists have predicted that the consequences of unchecked warming could result in everything from catastrophic flooding to larger and more deadly hurricanes. S

发表于:2019-02-23 / 阅读(93) / 评论(0) 分类 英语时差8,16

First off, I'll mention that at the bottom of the sea there exist veins of zinc, iron, silver, and gold whose mining would quite certainly be feasible. 首先,我对您说,海底有锌、铁、银、金等矿藏,开发并不是不可能的事。

发表于:2019-02-25 / 阅读(169) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
a fire suppressant
activity longitude
aswan dams
axial module
backroom boy
balance of production and marketing
be adjacent to
bed charge
berkson
beta-receptor
bionaut
blade drive rotaining device
bootstripes
bullock-carts
buoyant mat
butt cracks
cacographical
case mixing
cast fruit
censorably
characteristic differential equation
Civic.
coalmerchant
complete refrigerating equipment
compound substance
concords
constitutional monarchist
correlated radio lines
crown'd
defust
degrading stream
Devereux, Robert
differential aptitude test(dat)
dived
don't care states
Dryopteris noveboracensis
econometric research
electric-spark drilling
engine room floor
epinay-sur-seine
fatholt
Fermat numbers
feversham
gasoline pump settling glass bowl
gastritic
geum rivales
graphical model
harvest moon
horizontal lock
Iheya-shima
infrared beam splitter
is present in
ITOU
jet cleaning
jiz
kara-kurt
labour supply
loose roller
made myself clear
make up sth
microcatheterizations
mitering
molecular yield
never-changing
nickel-plated iron square hook
normative decrees
organic clay
platform inertial navigation system
plywood panel ceiling
presmoking
primary moisture separator
protoplast
random replacement algorithm
ratio standard
rectangular layout of streets
salena
schoarite
seierstad
self-actuated controlled
sex cells
simile broadcast
skepsel
soft spots of road bed
space tracking network
structural thermal low pressure test
summer-camp
swing bus
synchrotron generator
Tertensif
theatre director's box
thiocarbamide
Tio Pepe
total torn
twist boat form
tysabri
unimperious
unrigging
visible light detector
want-to
water biscuit
xestia kollari
zap rays