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(109) / 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(136) / 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(83) / 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(84) / 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(159) / 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(81) / 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(105) / 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(122) / 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(122) / 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(97) / 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(145) / 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(108) / 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(127) / 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(119) / 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(129) / 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(122) / 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(136) / 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(118) / 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(126) / 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(144) / 评论(0) 分类 英文语法词汇
学英语单词
2-ME
a-horseback
acuities
aerial changeover
antarctic oceans
assonate
Atricha
Aubeterre
balsameaceous
be in the first rank
be swamped
bent sting
benzene tetrachloride
benzylidene (group)
captation
catenary poise
cellmediated immunity
cerealist
cerebellums
cerebral arterial amyloidosis
Chicago boys
Chunlei
coenozygote
Complamex
continuous flow scintillation counter
crown-heel length
dare
decreta
devoy
dope transistor
down tack
dworsky
Epistle to Titus
extendability
faithfully
feel guilty for
ferry slip
finishing bevel gear cutter
Garbage Fees
gas side
gristle missiles
herringers
HNWIs
implorings
ingirt
initiate potential
intervening act
janio
juncuss
kiwanda
knelled
kosier
laxer
leaf-roll
leucocoprinus otsuensis
linen look
long-period runoff relation
Lukovit
maintenance line
ministerial function
multiple output prime implicant
n-tricosane
net setting machine
Noise level.
nonpassing
Ossipirina
overthinning
palaeomicroides caeruleimaculella
Panoramic receiver.
photosensitive coating
piezocaloric effect
Plica chordae tympani
pluggability
plumbic hydride
prechromaffin tissue
preemergence
pseudoalbite
quartz-basalt
Rangitata R.
redundant design
resin-in-pulp ion exchange method
rice-paper tree
rigid mesh
rudder choke
Rule brass
rural disease
salmic acid
scaling zero point
single-make fabric
thin out trap
tight surface
ultrasonic perforating machine
UNCDF
varying-arca channel
vitamin A aldehyde
water opening
wax engraving
World Wide Tanker Nominal Freight Scale Rate
wound packaged
wyc
wyelde
yawing moment-due-to sideslip