[有机化学] 水杨酸乙酯

“2005蒙牛酸酸乳超级女声”01号张靓颖演绎《Yesterday once more》(感言版)。 [原唱] Carpenter [演唱] 张靓颖 歌词: When I was young I'd listen to the radio Waiting fo

发表于:2018-11-29 / 阅读(153) / 评论(0) 分类 张靓颖英文歌曲欣赏

Acid Rain 酸雨 Damage from acid rain is widespread - not just in eastern North America, but throughout Europe, Japan, China, and Southeast Asia. Is the rain that's falling on your umbrella acidic? A listener's question -- on today's Earth and Sky. J

发表于:2018-12-07 / 阅读(208) / 评论(0) 分类 (科普英语)Earth and Sky

AS IT IS 2014-05-25 Scientists Search for New Ways to Stop Mosquitoes 科学家们寻找新的方法来对付蚊子 The sound of a mosquito can mean trouble in many parts of the world. The bite of a mosquito can be deadly. Today, we will hear about s

发表于:2018-12-08 / 阅读(132) / 评论(0) 分类 2014年VOA慢速英语(五)月

1.I told you Carlos, it’s impossible to understand that map! Why don’t we go by cab? 2.But I want to go by subway, Conchita! Look, we’re here in Washdon. 3.So we should go on the subway once, co

发表于:2018-12-12 / 阅读(90) / 评论(0) 分类 华尔街中级英语

Yesterday Once More - 美国乡村音乐 When I was young Id listen to the radio当我年少时我常听收音机 Waiting for my favorite songs等待我最喜欢的歌 When they played Id sing along当他们播放时,我跟着唱 It make me smile这使

发表于:2018-12-12 / 阅读(130) / 评论(0) 分类 VOA标准英语2014年(四月)

美科学家研发新一代驱蚊剂 In many regions of the world, mosquitoes are a seasonal pest. In other regions, they carry serious diseases like malaria. The World Health Organization estimates that almost 630,000 people died of malaria-related

发表于:2018-12-19 / 阅读(89) / 评论(0) 分类 VOA双语新闻 2014年1月

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(249) / 评论(0) 分类 知性英语

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Aspirin is a popular painkiller, and chances are you have some in your medicine chest right now. You might even have some in your flesh-and-blood, put-a-

发表于:2019-01-08 / 阅读(77) / 评论(0) 分类 Scientific American(一)月

2009-2010美国福克斯(FOX)电视台热播美剧《欢乐合唱团》(Glee)第一季第八集(S01E08)中,由Emma Pillsbury(杰玛梅斯/Jayma Mays饰)与心仪对象Will Schuester(马修莫里森/Matthew Morrison饰)跳舞时也

发表于:2019-01-10 / 阅读(105) / 评论(0) 分类 英乐时空

Yesterday 昨天 All my trouble seemed so far away我所有的烦恼好像已远去 Now it looks as though theyre here to stay现在看起来仿佛它们仍存在 Oh I believe in yesterday哦,我相信昨天 Suddenly突然之间 Im not hall the man I used to be我觉得我并不是过去那样

发表于:2019-01-11 / 阅读(140) / 评论(0) 分类 美国乡村音乐

Promising Mosquito Repellent Announced美科学家研发新一代驱蚊剂 In many regions of the world, mosquitoes are a seasonal pest. In other regions, they carry serious diseases like malaria. The World Health Organization estimates that almost 6

发表于:2019-01-14 / 阅读(84) / 评论(0) 分类 VOA标准英语2014年(一月)

By Birungi Machrine Kampala 26 November 2007 Attacks using acid are becoming more frequent in Uganda. Up to 2003, there were only 145 recorded attacks, but over the last three years, there have already been 87. Survivors often suffer from severe emot

发表于:2019-01-16 / 阅读(168) / 评论(0) 分类 VOA常速英语2007年(十一月)

One Police stops on police vehicle outside one Victoria's Bar. After the preparation, as necessary arrests?, this liquor drive slightly mixes. Suddenly he sees to have a young people shakely goes out from bar, spend the many figures only then finds

发表于:2019-01-17 / 阅读(62) / 评论(0) 分类 白领英语晨读

Obituary;Seve Ballesteros; 讣告;塞弗巴耶斯特罗斯; Severiano Ballesteros, Europe's greatest golfer, died on May 7th, aged 54. 欧洲高尔夫名将Severiano Ballesteros,5月7日辞世,享年54岁。 As he struck the ball, Seve Balles

发表于:2019-01-30 / 阅读(90) / 评论(0) 分类 经济学人综合

It wasnt really sad the way they said goodbye. Or maybe it just hurts so bad she couldnt cry. He packed his things ,walked out the door and drove away. And she became the girl from yesterday. He took a plane across the sea to some foreign land. She

发表于:2019-02-04 / 阅读(117) / 评论(0) 分类 美国乡村音乐

A guest in a posh (时髦的,华丽的)hotel breakfast room called over the head waiter one morning and said with a wonderful and cheerful smile, Good Morning, sir. What a wonderfulmorning! I'd like two boiled eggs, one of them so undercooked tha

发表于:2019-02-04 / 阅读(100) / 评论(0) 分类 趣味英语

On its website, a history of the company makes no mention of leador indeed of Thomas Midgleybut simply refers to the original product as containing a certain combination of chemicals. 在它的网站上,公司的历史没有提及铅──也没有提

发表于:2019-02-17 / 阅读(90) / 评论(0) 分类 万物简史

By counting back through these layers and measuring the amount of lead in each, he could work out global lead concentrations at any time for hundreds, or even thousands, of years. The notion became the foundation of ice core studies, on which much mo

发表于:2019-02-17 / 阅读(104) / 评论(0) 分类 万物简史

Lead is a neurotoxin. Get too much of it and you can irreparably damage the brain and central nervous system. Among the many symptoms associated with overexposure are blindness, insomnia, kidney failure, hearing loss, cancer, palsies, and convulsions

发表于:2019-02-17 / 阅读(96) / 评论(0) 分类 万物简史

If you were going to a restaurant and wanted a healthier option, 如果你去饭店,你想吃得健康一点, which would you choose, grilled or fried chicken? 你会选择哪种食品呢,烤鸡还是炸鸡? Now most people would answer grill

发表于:2019-02-21 / 阅读(117) / 评论(0) 分类 TED演讲教育篇
学英语单词
air-borne vibration
aldaraca
amniotic pore
angiotensin converting enzyme (ace)
anti-venene
Aythya valisineria
Ballyvoyle
becteremia
binary-floating-point data
blow pipe analysis
broken voyage
brush your teeth
burmins
bus bar
calcium phosphate precipitation
carcharhinids
continuous mass production
crush division
cystisine
delachlor
delahunties
double daring
dressed-down
drift-dissipative instability
dust-bin
early redemption charge
early-strength cement
erlembalds
family lobotidaes
fap
fatal accident frequency rate
fawnlings
felling saw
garrie
Glenury
good algorithm
graeber
gustatory
heard in public
highkings
horizontal tandem generator
hospital establishment
hydrous zirconium oxide
hyperbolic flow equation
incision
Irshans'k
Java script Java
Kirkist
klecktokens
leadlines
like all nature
lloyd mirror effect
macroamylasemia
march under standard of
martinican
Massembe
meadow tundra
mechanically pulsed column
metaxylems
MPTY
Mrhimina
multi-centre
needil
Opeongo L.
operator error recording
panayotiss
pickwick papers
platen cover
principle of reatment
processor verb
pubescenin
quasi-discrete game
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regenerative solution
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rigid mass
rondon
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schirrhus
self-thinning
septentrionic
shariafication
shineys
solvent-based adhesive
station substation
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supply agent
systematic account
thermal break
third speed gear
through-the-line
time delay element
top mounting machine
turbulent-flow
uni-brow
ventriloquist
vertebral processes
wangboje
wear-out fault
wonderdrug
yearling grazing