超微滴定器

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. This will just take a minute. Youve probably chased a fly or two around the house this summer. And, chances are, it took a few swings before you brought down the buzzing nuisance.

发表于:2018-12-02 / 阅读(222) / 评论(0) 分类 Scientific American(八)月

[全屏观看] 点击右键- 另存为 可保存这个Flash影片

发表于:2018-12-12 / 阅读(226) / 评论(0) 分类 北美小学生英语一年级教材(牛津英语教材)

World Hepatitis Day is observed on May the 19th. It aims to increase awareness worldwide of the diseases hepatitis B and hepatitis C. Its hope is to encourage the prevention and diagnosis of these two diseases, and increase the number of people who r

发表于:2018-12-29 / 阅读(158) / 评论(0) 分类 英语课程学习计划和讲义

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(179) / 评论(0) 分类 Scientific American(八)月

One of the world's most amazing migration is about to begin in earnest: 300 million monarch butterflies spread across North America are about to converge on small forests in the mounts of Mexico. This year, the butterflies have an unusual company as

发表于:2019-01-08 / 阅读(261) / 评论(0) 分类 2005年NPR美国国家公共电台

歌曲 : Love 艺人 :Inna 音乐星级 : ★★★★ 所属专辑 :Hot 发行年代 :2009 风格 :Euro-Dance 相关介绍 :Inna,相当特殊又好记的名字,这位俏丽可人的姑娘1986年出生于罗马尼亚。罗马尼亚是电子舞曲业十分发达的国家,我们比较熟悉的还有DJ Project,Play Win

发表于:2019-01-11 / 阅读(182) / 评论(0) 分类 舞曲狂欢

歌曲 : Hot 艺人 :Inna 音乐星级 : ★★★ 所属专辑 :Hot 发行年代 :2009 风格 :Euro-Dance 相关介绍 :Inna,相当特殊又好记的名字,这位俏丽可人的姑娘1986年出生于罗马尼亚。罗马尼亚是电子舞曲业十分发达的国家,我们比较熟悉的还有DJ Project,Play Win,Ak

发表于:2019-01-11 / 阅读(215) / 评论(0) 分类 舞曲狂欢

By Robert Berger Jerusalem 14 November 2009 An ultra-orthodox Jewish man is seen next to Intel's Jerusalem office building, 14 Nov 2009 Alleged violations of the Jewish Sabbath by a top international company prompted religious protests in Jerusalem

发表于:2019-01-14 / 阅读(213) / 评论(0) 分类 VOA标准英语2009年(十一月)

Lesson 25 Rat 1.Rats! 2.I smell a rat. 3.You look like a drowned rat. 4.You dirty rat! 5.I was just ratting around. 6.I don't want to die like a rat. 7.Hey,pal,you see rats. 8.You must be in the rats.

发表于:2019-01-14 / 阅读(192) / 评论(0) 分类 辛沛沛NO-BOOK 辛沛沛口语提高版

By Melinda Smith Washington, DC 15 February 2008 Obesity is becoming a worldwide problem, even in developing countries. But diet drinks and food prepared with sugar substitutes do not seem to help curb people's appetites. Now a new study may provide

发表于:2019-01-19 / 阅读(185) / 评论(0) 分类 VOA常速英语2008年(二月)

China has long depended on coal-burning power plants to fuel its explosive growth over the past three decades. As a result, air pollution has risen to alarming levels in central and eastern regions. Policymakers have been working hard to shift the co

发表于:2019-01-19 / 阅读(260) / 评论(0) 分类 2017CRI中国国际广播电台

Tit for Tat针锋相对An American lady traveling in England some years ago, got into an compartment of a smoking carriage where an Englishman was smoking a pipe. For a short time she sat quietly expecting that the Englishman would stop smoking. But

发表于:2019-01-28 / 阅读(182) / 评论(0) 分类 英语小达人

72 约翰斯·霍普金斯疟疾协会 DATE=7-19-01 TITLE=SCIENCE REPORT - Johns Hopkins Malaria Institute BYLINE=Jill Moss (Start at 01'0

发表于:2019-01-30 / 阅读(218) / 评论(0) 分类 科技之光

SHANGHAI, Nov. 28 (Xinhua) -- The Shanghai municipal government Monday launched the microblog Shanghai City on China's popular Twitter-like microblogging service Weibo.com. The microblog, officially verified as originating from the Information Office

发表于:2019-02-01 / 阅读(220) / 评论(0) 分类 英语新闻

China shuts down 97,000 blog, microblog accounts in anti-porn campaign BEIJING, Sept. 28 (Xinhua) -- Chinese authorities have shut down about 97,000 blog and microblog accounts over the past seven months which are allegedly involved in dissemination

发表于:2019-02-02 / 阅读(226) / 评论(0) 分类 英语新闻

英语里你不知道的几个小秘密 The shortest complete sentence in the English language consists of only one word and that is Go. 英语里由一个单词组成的最短的完整的句子就是GO。 The oldest word in the English language is t

发表于:2019-02-04 / 阅读(207) / 评论(0) 分类 实用英语

Offering Substitute 提供代用品 Specimen Letters1. Offering Rayon in Place of Watered Silk提供人造丝代替水洗丝Dear Sirs,Thank you for your fax of yesterday (April 3) with your order No.456 for 5,000 metres of 100cm wide watered silk. We

发表于:2019-02-05 / 阅读(228) / 评论(0) 分类 实用英语

We are living in a micro era. After the massive popularity of micro blogs and micro novels, online micro films are growing bigger now. 我们生活在一个微时代。继微博和微小说广受欢迎之后,网络微电影风潮也在日趋壮大。

发表于:2019-02-14 / 阅读(216) / 评论(0) 分类 中英双语新闻

The Internet is linking entrepreneurs in the developing world with investors in industrial nations through sites that broker small people-to-people loans. These so-called microloans go to family-owned businesses in Africa, Asia and other areas. A $2

发表于:2019-02-18 / 阅读(223) / 评论(0) 分类 英语新闻

1. The shortest complete sentence in the English language consists of only one word and that is Go. 英语里由一个单词组成的最短的完整的句子就是GO. 2. The oldest word in the English language is town. 英语里最有年头的一个词

发表于:2019-02-25 / 阅读(234) / 评论(0) 分类 英文语法词汇
学英语单词
a nod's as good as a wink
ACSA
adaption
affective tone
as sure as one sits there
aspectless
atopic
back vowel
Beskidy Zachodnie
bituminous concrete pavement
Borreria alata
buried suture
calcaneoscaphoid ligament
campagnes
cluster-type system
cocus wood
colt-pixie
combinate
date test
doerre
Dordives
drawer-front dovetail
Dupre's muscle
elastica
electric charge time constant
Electronic Radio Manufacturing Industry
encoding impairment
Euphoria longana
exterior angle of a circle
family intervention
family Troglodytidae
fibonacci memory management
fourthdimensional
frozen joint
garnet type pigment
gazebolike
genus Mallotus
hentetracontane
hindlimb bud
IAB
InfoExplorer
Jaoaceael
kamora
killer instinct
KO's
Kāttuputtür
laryngopharygeal recess
leaded device
light sensitive seeds
line-throwing rocket
maistrie
major to minor axis ratio
make plain with the earth
Mattinson
melange printing
microbulb pipette
mile-high
minimum risk function
minimum starting voltage
misusement
monoment
N. Y. S.
nazifies
negative distortion
new dimension
non-operating earnings
nonplanarity
Okhla
pitch-resin
plasmaphaeresis
pneunatic hammer
Procrustean assignment
promoters for dropwies condensation
real time address
reductive debenzylation
sampler bottom hole
sandbox tree
signation
silo program
simone de beauvoirs
soil improvement agent
southernization
spinebash
spum
standard issue
stratiform mineralization
struck assembly
sweet bitch
syringa micrantha nakai
target structure of synthesis process
terminal command
there's many a slip between cup and lip
tidal blow
torque balance converter
trophic system
undecane phosphonic acid
upright drilling machine
viremic
wine-apple
xyzal