[化] 冷蒸气原子吸收法

[00:01.20]Deciding to Live [00:04.27]I believe I am a climber. Three years ago, [00:09.29]a series of medical and personal crises took what was a clinical depression [00:14.43]and made it something much darker. [00:16.95]I thought of it as fallingas

发表于:2018-11-30 / 阅读(190) / 评论(0) 分类 英语专业晨读美文

By Gary Garriott Broadcast: September 1, 2003 This is Sarah Long with the VOA Special English Development Report. People have always had to find ways to keep food safe to eat. Methods to dry, smoke an

发表于:2018-12-01 / 阅读(212) / 评论(0) 分类 VOA2003(下)-发展与科学

diesel sincerity hit thrash dilute spiral absorption inject diploma groan infer summit foremost confront between popularity offence exemplify blunt assessment pact tuition wrath allied

发表于:2018-12-01 / 阅读(154) / 评论(0) 分类 用Mp3背六级单词

DEVELOPMENT REPORT – Canning Food By Gary Garriott Broadcast: Monday, January 03, 2005 I'm Gwen Outen with the VOA Special English Development Report. People have always had to find ways to keep foo

发表于:2018-12-07 / 阅读(114) / 评论(0) 分类 农业与发展

Imagine a world where sunlight can be captured to produce electricity anywhere, on any surface. The makers of thin-film flexible solar cells imagine that world too. But a big problem has been the amount of silicon needed to harvest a little sunshine.

发表于:2019-01-08 / 阅读(133) / 评论(0) 分类 Scientific American(二)月

经典名曲欧美音乐原子猫Atomic Kitten Eternal Flame Artist :Atomic Kitten song : Eternal Flame Close your eyes, give me your hand, darling Do you feel my heart beating Do you understand Do you feel the same Or am I only dreaming Is this burn

发表于:2019-01-09 / 阅读(135) / 评论(0) 分类 听歌学英语

New design produces flexible panels using only 1-2 percent as much silicon Art Chimes | Washington, DC 19 February 2010 You can use 100 times less silicon. And that's potentially very significant. Harry Atwater Schematic diagram of the light-trapping

发表于:2019-01-13 / 阅读(126) / 评论(0) 分类 VOA标准英语2010年(二月)

Ethiopian Jews Settle Into Life in Israel Israel is marking the 20th anniversary of a massive airlift of Ethiopian Jews called Operation Solomon. The arrival and integration of tens of thousands of Ethiopians into Israeli society have presented major

发表于:2019-01-13 / 阅读(100) / 评论(0) 分类 VOA标准英语2011年(十一月)

在英语学习中,我们自然会遇到许多生词。这时,许多人立即翻阅字典,查找词义。其实,这种做法是不科学的。它不但费时费力,而且影响阅读速度。事实上,阅读材料中的每个词与它前后

发表于:2019-01-22 / 阅读(84) / 评论(0) 分类 大学四六级阅读

In the four decades since our robots first arrived, the once fuzzy ball at the end of our telescopes has steadily focused into a red planet we can understand, and it is not a welcoming place. The problem is the atmosphere is so thin and cold that wat

发表于:2019-01-26 / 阅读(89) / 评论(0) 分类 自然百科2012年

A share A股;甲类股份 abatement of tax 减税;减扣免税额 ABN AMRO Bank N.V. 荷兰银行 above-the-line expenditure 线上项目支出;经常预算支出 above-the-line receipt 线上项

发表于:2019-02-01 / 阅读(136) / 评论(0) 分类 财会英语

Around the world, many people start their day with a cup of coffee, a cappuccino, or an espresso. At the same time, there are many people with various thyroid conditions who rely on synthetic thyroid hormone replacement medication like levothyroxine

发表于:2019-02-01 / 阅读(118) / 评论(0) 分类 实用英语

06 Windflowers Seals and Crofts Windflowers, Windflowers, My father told me not to go near them. He said feared them always And he told me that they carried him away. Windflowers, Beautiful windflowers, I couldn't wait to touch them, to smell them I

发表于:2019-02-01 / 阅读(175) / 评论(0) 分类 希望长着翅膀

今天我们要学的词是spew。 Spew, 意思是喷出,涌出。 As Mexico's Popocatepetl volcano continues to spew ash plumes, water vapor and hot rocks, some of the local schools have canceled classes, 由于墨西哥的波波卡特佩特火山继

发表于:2019-02-08 / 阅读(101) / 评论(0) 分类 英语单词荟萃

BEIJING, Oct. 21 (Xinhuanet) -- A team of European researchers announced that they have found vast water vapor out of our solar system, according to a study in the U.S. journal Science Friday. Using Herschel Space Observatory, a European Space Agency

发表于:2019-02-09 / 阅读(121) / 评论(0) 分类 英语新闻

What is Air? 空气 D: Strictly speaking, air is mostly nitrogenabout seventy-eight percent, and about twenty-one percent oxygen, which leaves about one percent of other stuff, like water vapor and carbon dioxide. Y: So air is mostly empty space? D:

发表于:2019-02-16 / 阅读(104) / 评论(0) 分类 英语听力文摘 English Digest

The Invisible Hand 无形的力量 A: What's going on? B: Check out the setup , Yaoyao. A: A stove, an empty aluminum soda can, kitchen tongs , and a saucepan . Are you experimenting with a new recipe ? B:No, i'm experimenting with air pressure. A:Ho

发表于:2019-02-16 / 阅读(95) / 评论(0) 分类 英语听力文摘 English Digest

A abbreviation,absorption,abstract,abundance,acceleration,acceptance, accessory,accommodation, accordance,acquaintance,acquirement,acquisition,adjustment,administration, admiration,admission, adoption

发表于:2019-02-18 / 阅读(117) / 评论(0) 分类 考研英语

Why does blowing on hot soup help to cool it off? Its because of evaporation. Evaporation cools down a liquid because the most energetic molecules leap off the surface and leave the slower-moving molecules behind. Slower-moving means lower temperatur

发表于:2019-03-06 / 阅读(143) / 评论(0) 分类 英语时差8,16

Windflowers Seals and Crofts Windflowers, Windflowers, My father told me not to go near them. He said feared them always And he told me that they carried him away. Windflowers, Beautiful windflowers, I couldn't wait to touch them, to smell them I hel

发表于:2019-03-10 / 阅读(143) / 评论(0) 分类 双语有声阅读
学英语单词
a rub on one's way
administrative culture
alcoholtherapy
all in the day's work
amerikanka
automatic alarm
axle driven electric generator
back a bill
backup breaker
bashmets
bathomorphic
be wounded
Bednja
broken course
cattle wart
cigarettes
coefficient of wave drag
concentrated superphosphate
cotton rats
Crooked Island Pass.
crown cork
cypraea tigriss
Dahoman
darkWeb
dendroid tufa
disaggregation-reaggregation
farm forum
Fife Ness
finite element modeling
fire-break distance of production buildings
fixed channel reconnaissance
fixed wage
genre-crossing
georgiadis
glossy print
Gobosterol
hexa-net
Ibiapaba, Sa.da
inter-phase coupling
intestinal parasite
ionic balance
IPS (international plutonium storage)
irretrievable
Kautskyites
knock one's head into
lacklusterness
layer tints
lead button
loan-guarantee
lumahai
Lyot division
Maha Chana Chai
maternal care
matronages
method of feasible directions
Microstegium biaristatum
molluscas
multibeam
of fame
on bug
Phillips stabilization function
photo-
physical prospecting
platinic bromide
platyrhinids
Polewali
priore
propanolols
putrefactivesubstance
query time
r-co
rear crops
retrospections
RMS (remote monitoring system)
Saint-Maximin
seagull
securities business
self-shielding function
shortfin
small circle
sodium rhodanide
sprocket with hub
star fan
starting point of wholesale
structural adjustments
synechia
taurinergic
tentaculitoids
That Was The Week That Was
time of flight (tof)
tooa
tool-shed
trager
trough truck
umspe (user meta-signaling protocol entity)
uranium telluride
variable range ring
video display methods
walkersville
warm(th)sensation
were like