[化] 烷醇铝; 烃氧基铝

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(207) / 评论(0) 分类 大学六级听力模拟题

[00:19.73]iPod Shuffle [00:29.90]Thanks to a sturdy, built-in clip, [00:32.64]iPod shuffle goes with anything. [00:36.26]Clip it to your sleeve, your lapel, [00:38.83]your coin pocket, your backpack. [00:42.03]No matter where you wear it, [00:44.12]i

发表于:2018-12-03 / 阅读(159) / 评论(0) 分类 英国文化—oral english

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(69) / 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(59) / 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(88) / 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(79) / 评论(0) 分类 英文语法词汇

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(81) / 评论(0) 分类 英语六级听力练习集锦

Hungry Lasagna So you made lasagna last night, and it was delicious. You saved the leftovers by wrapping aluminum foil over the top of the pan, and putting it in the fridge. When you get hungry today, you go to look for that lasagna, but it looks lik

发表于:2018-12-31 / 阅读(59) / 评论(0) 分类 英语听力文摘 English Digest

How does acid deposition affect human health? We eat food, drink water, and breathe air that has come in contact with acid deposition. Canadian and U.S. studies indicate that there is a link between t

发表于:2019-01-02 / 阅读(233) / 评论(0) 分类 知性英语

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(57) / 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(73) / 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(108) / 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(95) / 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(101) / 评论(0) 分类 TED演讲商业篇

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(119) / 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(127) / 评论(0) 分类 购物英语对话

Soon after taking up his position, Davy began to bang out new elements one after anotherpotassium, sodium,magnesium, calcium, strontium, and aluminum or aluminium, depending on which branch of English you favor. 上任不久,戴维开始宣布发现一

发表于:2019-01-29 / 阅读(70) / 评论(0) 分类 万物简史

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(64) / 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(98) / 评论(0) 分类 阅读空间

Building a Better Mirror for Telescopes 为望远镜打造更优质镜面 To study the heavens, it's all about the photons. We in astronomy are always greedy. We want every photon we can collect. Drew Phillips, astronomer at University of California

发表于:2019-03-15 / 阅读(219) / 评论(0) 分类 2017年Scientific American(九)月
学英语单词
a bad penny always comes back
adelite
andesine
aqal
automatic forward feed
axial translation
batski
borrow without security
budget act
Bukungu
calcifuge plant
cash in transit policy
cathook
cell constant of conductometric vessel
chatham is.
class hydrozoas
coded element
cowers
cuts of mutton
dead-slow speed servomotor
degreasing machine
demonstrative democracy
diborane
direct (geodetic) problem
dissaf
double-hearted
draftee
dung-heaps
elliptical projection
encyclopaedists
epaulet
fellman
finitely generated ring
frogland
frustum of paraboloid
fusible
gonyerite
hang oneself
hang times
Helwingia
hexagonal hemihedralholoaxial class
hot coke
i.r.c
image-makers
infinite integrated dose
jackpotting
jaw-crusher
Labolink
lafollette
lallapaloosa
leip-
loss of magnetic reversals
Lot.
magnetic ink character
mailboxes
main steam pressure regulator
med-evac
methylene-progesterone
micro photosizer
networking support
neura
nokes
noradrenalin
normally opened contact
nunivak polarity subchron
olympism
ozone equipment
pace car
partial-load performance
paxillary
phenyl-isosulfocyanate
preantennal ganglion
protective wrapping
quasrupole multiplet
radiation climate
recohering
reperfusion
resolve ambiguity
rocknrolla
selective outsourcing
semi-Pelagian
shsisss-s
Sinopian
skeletonizing
SNST
soil consistence
static pressure of fan
stellate bandage
street sweeping
sweet sorghum
telepathists
temperature rise of the light
the full monty
three boiling system
two-high reversing beam mill
umlauting
unpen
vacuum control check valve
Wardour street English
waylay
West Canadian Ports
whrrr