【材料学】初期表面能

This is Scientific American's 60-Second Science, I am Steve Mirsky, got a minute? You are pulling the tape off the roll and it starts to tear, or you are moving wallpaper and it refuses to strip off in strips or in what may be the most infuriating ca

发表于:2018-12-24 / 阅读(336) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Fingers are pretty nifty. They let you to grab a latte, type on a keyboard, even pull up your pants. But did you ever wonder: where do fingers come from?

发表于:2018-12-24 / 阅读(362) / 评论(0) 分类 Scientific American(九)月

dawdle /'dɔ:dl/ My sister dawdles over the dishes. Mother gets them done without wasting time. -- waste time; loiter; idle ﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌ vi. 浪费时间;闲荡 我妹妹洗起盘子来慢

发表于:2018-12-30 / 阅读(289) / 评论(0) 分类 突破英文词汇

Medical doctors are, by tradition, expected to be incorruptible. I found it incredible, therefore, to learn of recent reports that suggest an inclination to ignore patients needs, in favour of kickbacks from pharmaceutical companies. It appears that

发表于:2018-12-30 / 阅读(246) / 评论(0) 分类 胡敏托福词汇记单词

(Woman) Today I want to talk about the Earth's last major climatic shift, at the end of the last ice age. But first, let's back up a moment and review what we know about climatic change in general. First, we defined climate as consistent patterns of

发表于:2018-12-30 / 阅读(370) / 评论(0) 分类 托福听力短文

Create Your Own Moon Craters! What makes science really fun is when you get to do things yourself, so today were going to be making moon craters. Theyre the roundish blast-marks left on the moons surface by ancient meteorites. The moons surface is co

发表于:2018-12-31 / 阅读(246) / 评论(0) 分类 英语听力文摘 English Digest

地道美语听力播客English as a Second Language Podcast (ESLPod),是一家位于美国加州洛杉矶的英语教育研究机构推出的英文听力会话,于2005年7月23日首播, 主播Dr. Jeff McQuillan为南加州大学的语言学博士

发表于:2019-01-01 / 阅读(331) / 评论(0) 分类 地道美语播客

By Paul Sisco Washington 13 July 2007 NASA scientists have unveiled details of the space agency's plans to pierce the icy surface of Mars, near its north pole. The mission is designed to find evidence of water or life on the red planet. VOA's Paul S

发表于:2019-01-07 / 阅读(325) / 评论(0) 分类 2007年VOA标准英语(七月)

The U.S. housing sector remains weak, two years into an unprecedented decline. House prices, house sales, and house construction are all continuing to fall. Houses for sale in Denver, Colorado Home prices in the United States have fallen over eight

发表于:2019-01-13 / 阅读(314) / 评论(0) 分类 VOA标准英语2008年(十二月)

Kenya Moves Full-Steam Ahead on Geothermal Production Kenya is expanding plans to become one of the worlds top geothermal power producers with the start of explorations at a site called Menengai. The government is also aiming to make geothermal Kenya

发表于:2019-01-13 / 阅读(343) / 评论(0) 分类 VOA标准英语2011年(十一月)

Of the two, Cope's scientific legacy was much the more substantial. In a breathtakingly industrious career, he wrote some 1,400 learned papers and described almost 1,300 new species of fossil (of all types, not just dinosaurs)more than double Marsh's

发表于:2019-01-29 / 阅读(276) / 评论(0) 分类 万物简史

Hmm, my, you should take this to the security guards, hmm, theres quite a bit of cash in here, yes, the man wears thick glasses and peers at Henry through them as he speaks and Henry reaches around under the mans jacket and steals his wallet. Since H

发表于:2019-01-29 / 阅读(294) / 评论(0) 分类 时间旅行者的妻子

Climate change negotiators from 173 countries have agreed on an agenda after days of bickering over the scope of talks left little time for substantive discussions. The disagreement highlighted deep divisions between developing and rich countries on

发表于:2019-01-30 / 阅读(320) / 评论(0) 分类 英语新闻

This is Xaero - a vertical take-off and landing vehicle being developed by Masten Space Systems. The California start-up hopes the rocket will eventually carry pay-loads for NASA to altitudes of up to 30 kilometres, mainly to collect atmospheric data

发表于:2019-02-03 / 阅读(277) / 评论(0) 分类 英语新闻视频

2006职称英语考试模全真拟试题理工类B级(二) 第一部分:词汇选择(第1-15题,每题1分,共15分) 下面共有15句子,每个句子均有一个词或短语划有底横

发表于:2019-02-07 / 阅读(321) / 评论(0) 分类 实用英语

如今,高端大气上档次已经成为众人耳熟能详的网络用语,凭借其无与伦比的受欢迎度,高端大气上档次一度位居十大网络用语的榜首。这句让无数互联网迷们捶足顿胸的潮流时尚用语,到底

发表于:2019-02-08 / 阅读(293) / 评论(0) 分类 英语口语

The U.S. housing sector remains weak, two years into an unprecedented decline. House prices, house sales, and house construction are all continuing to fall. 美国的房屋市场依然疲软,房价已经史无前例地连续两年下跌。美国的房

发表于:2019-02-14 / 阅读(250) / 评论(0) 分类 VOA双语新闻 2008年12月

LOS ANGELES, June 18 (Xinhua) -- Microsoft Corp. unveiled Monday a family of tablets dubbed Surface, built on Windows 8, at an event in Los Angeles. Microsoft Chief Executive Steve Ballmer introduced the company's Surface family of tablets. The devic

发表于:2019-02-17 / 阅读(338) / 评论(0) 分类 英语新闻

Meet Chihira Junco, a tourist greeter at a shopping mall in Tokyo. 来见见地平Junco(Chihira Junco)吧,她是东京一个购物中心的游客迎宾员。 In her crisp blue button-down shirt, white blazer and pinstripe skirt, she stands in sensi

发表于:2019-02-18 / 阅读(319) / 评论(0) 分类 英语新闻

16.The early railroads were........the existing arteries of transportation: roads,turnpikes, canals,and other waterways. A.those short lines connected B.short lines that connected C.connected by short lines D.short connecting lines 答对率:50% 答案

发表于:2019-03-12 / 阅读(344) / 评论(0) 分类 托福英语
学英语单词
a second thought
air agitation
air-raid wardens
alpha ferrite
approximate adjustment
autonomic nerves
bardsley
bath-times
bead set of rim
beleapan rf.
billboard
Blackfoot R.
bob-skate
buisanensis
cachexies
canebreaks
carcinelcosis
cardinal heading
central vision
chapellany
cherup
chlorex
chudleigh
cleaning apron
clewers
clinterocera davidis
combinatorial design
combure
common things
coupling plug
dearmas
Diaearb
diodora octagona
drepanum
enteric abscess
filamentary transistor
fixed sheave
fluid static mechanics
gallium indium arsenide phosphide
gas scintillator
geiger-muller
Gideon Algernon Mantell
glass dead seal
hemoconcentator
I don't eat meat
instantaneous celerity
insurance against annuity
Kaiyan
knife spotlight
KPO
laser wavelength stability
lesser peach tree borer
lewisporte
lickings
lighting wiring
liquid specific heat
manual worker
Marianologist
Metallifere, Colline
mooring by the head and stern
negative-phase sequence component
nongnostic
panda-monium
paruria
Pedicularis crenularis
Pont-à-Mousson
porcelain connector
precooded rice
preleptocephalus
premedicate
prick for a plank
proops
prosecuteth
Puderbach
pyrophobics
qlink
raised flower pattern
random data set
renin-angiotensin system (ras)
rotary motion
scarified
siachen
strike from
substantia gelationsa
synalpheus charon
synchilia syncheilia
taxation price
time sharing terminal
time-varying model
tobaccoes
total blood volume
trapezoidal
triclinic holohedry
two-high bloomer
unhynde
uninflectedness
unstaidness
vivacy
wars of the austrian succession
what are you like?
wren-tit
ysabel i. (santa isabel)