上凹曲面

Imagine that when you walked in here this evening, 想象一下当你在今晚步入这里时, you discovered that everybody in the room looked almost exactly the same: ageless, raceless, generically good-looking. 你发现所有在场的人看上去

发表于:2018-12-05 / 阅读(82) / 评论(0) 分类 TED演讲设计篇

By Barbara Schoetzau New York 06 June 2007 The non-profit World Monument Fund has released its biennial Watch List of the world's 100 most endangered architectural and cultural treasures. From VOA's New York Bureau, correspondent Barbara Schoetzau re

发表于:2018-12-16 / 阅读(99) / 评论(0) 分类 2007年VOA标准英语(六月)

When you spill a liquid on the ground, it splashes. But if youre a guy using a urinal, or, more important, if the liquid is dangerous, say, an infected blood sample, you want to limit splashing. In other words: If an accident happens, you want the dr

发表于:2018-12-24 / 阅读(91) / 评论(0) 分类 2016年Scientific American(十二)月

Leaves Inspire Better Solar Panels What do leaves and solar panels have in common? Both absorb sunlight and turn it into energy. But while solar panels typically have smooth surfaces, leaves have tiny wrinkles and folds that allow for maximum light a

发表于:2018-12-31 / 阅读(89) / 评论(0) 分类 英语听力文摘 English Digest

In toothbrushing, it is important to clean at the gum margins, because the bacteria usually accumulates here. Neglecting to clean the gum margins, the gums will become inflamed and will bleed easily on toothbrushing. 刷牙最重要的是针对牙齿的

发表于:2019-01-05 / 阅读(100) / 评论(0) 分类 英语新闻视频

2009年一月,当机号1549 飞机迫降纽约哈德逊河,Ric Elias 正坐在第一排。在坠机的当下,他的心中在想什么? 在 TED,他第一次在公开场合说出他的故事。

发表于:2019-01-05 / 阅读(125) / 评论(0) 分类 TED公开课:(不只是)男人经

By Brian Wagner Miami, Florida 15 August 2007 U.S. minority population are expanding New data from the U.S. Census Bureau shows that black, Asian, Hispanic and other minority populations are expanding in many districts where whites were once dominant

发表于:2019-01-07 / 阅读(201) / 评论(0) 分类 2007年VOA标准英语(八月)

It's tough to be a machine in the desert. Particles of dirty sands walk their way in to moving parts where they break turbine's motors pipes on other equipment.To avoid the costly warranty, researches are taking lessons from a desert native, the yell

发表于:2019-01-08 / 阅读(119) / 评论(0) 分类 Scientific American(二)月

Earth's Surfaces Are Always Moving 地球表面一直在运动 From VOA Learning English, this is Science in the News. Im Anna Matteo. And Im Christopher Cruise. Scientists who study the Earth tell us the continents and ocean floors are always moving

发表于:2019-01-12 / 阅读(88) / 评论(0) 分类 2014年VOA慢速英语(四)月

LULU GARCIA-NAVARRO, HOST: After World War II, a Hollywood gas station became the center of that city's hidden sex life. Scotty Bowers was an attendant there. (SOUNDBITE OF FILM, SCOTTY AND THE SECRET HISTORY OF HOLLYWOOD) SCOTTY BOWERS: One day, Car

发表于:2019-01-17 / 阅读(91) / 评论(0) 分类 2018年NPR美国国家公共电台8月

The few surfaces not covered by signs are often clad in a distinctive, dark green-gray, striated aluminum siding. 这仅存的没有被商标遮盖的建筑,一般都被包裹在有特色的阴暗铝灰条纹的铝制外壁板之中。 Take-out san

发表于:2019-01-18 / 阅读(146) / 评论(0) 分类 TED演讲商业篇

JUDY WOODRUFF: Now: sharks. Just saying the word can send shivers down the spines of some, but as Hari Sreenivasan found in this report, studying their skin could be key to fighting diease and is on the cutting edge of the larger push announced at th

发表于:2019-01-27 / 阅读(132) / 评论(0) 分类 PBS访谈健康系列

Commuters faced a nightmare journey home tonight as Britain's trains were blighted by delays and road surfaces melted in the heat. 今晚对于通勤的乘客而言真是个噩梦般的回家之旅英国的火车彻底延误毁了,路面高温简直是

发表于:2019-02-05 / 阅读(99) / 评论(0) 分类 阅读空间

英文歌词: We took the long way home, you held my hand, The days so full of all the things we had planned. We walked beyond the green, beyond the day. We shared a dream that i let slip away. I had to find myself. I had to find myself. No use looking

发表于:2019-02-05 / 阅读(142) / 评论(0) 分类 英文摇滚歌曲

MADRID, Aug. 27 (Xinhua) -- Real Madrid this Monday announced the signing of Croatian midfielder Luka Modric on a five year contact. Modric joins for Tottenham Hotspurs on a deal thought to be in the region of 35 million Euros, ending a long running

发表于:2019-02-13 / 阅读(105) / 评论(0) 分类 英语新闻

UNITED NATIONS, Oct. 28 (Xinhua) -- The headquarters of the United Nations is going to be closed for at least one day because of an expected hurricane, according to a statement issued to the press here on Sunday by the UN spokesperson's office. Due t

发表于:2019-02-16 / 阅读(103) / 评论(0) 分类 英语新闻

D: Hey, Yael, check out my new white linen suit. It's going to keep me cool on my vacation to the Mojave desert. Y: That is one snazzy suit, Don. D: Oh, I'm stylin'. Plus, everyone knows that white reflects heat and black absorbs it. Yes, if you're o

发表于:2019-02-16 / 阅读(112) / 评论(0) 分类 英语听力文摘 English Digest

Metal, heal thyself 金属,自己愈合吧 Materials science: Researchers have devised an ingenious way for the damaged surfaces of metals to repair themselves when they come to harm 材料科学:研究人员构想出了一种新颖独特的方法,

发表于:2019-02-17 / 阅读(127) / 评论(0) 分类 经济学人综合

Chinese Want Electric Cars, Americans Not So Much Citizens of which country are most likely to buy or at least consider purchasing a plug-in vehicle than any other nation? According to a recent survey conducted by Ernst Young's Global Automotive Cent

发表于:2019-02-18 / 阅读(121) / 评论(0) 分类 阅读空间

Science and technology 科学技术 Hotel hygiene 旅馆卫生 Mind the remote 当心遥控器 The next time you check in 下次你在办理入住手续的时候 3_副本.jpgNO ONE likes to think about who was in their hotel room before them, let alo

发表于:2019-02-24 / 阅读(93) / 评论(0) 分类 经济学人科技系列
学英语单词
a thorn in someone's side
acne excoriee des jeunes filles
Aconitum ningwuense
acoustic lining
agagianians
alacrima
andrell
anglo-europeans
anti-logs
antibunch
asymmetric variable-width scan waveform
auditory ossicles (or otoliths)
autopatch
autoplastically
babagecidin tepesi
baimuxinol
built in cavity
centrifuge infiltration method
cercospora sorgii elliset everhart
chaetoceros teres
Chapmanville
clock relay
coarse-grained phenocrystalline
complexity editing
consumption capital
cross country billet mill
cuff button
death-cells
Dongincheon
double girder truss gantry crane
drop-ball
dusk - to - dawn curfew
dynamic stress-strain relationship
enameled vessel
end-of-the-year
escape of oil
exigenters
extra narrow pillar file
failinger
febriler
give sth your best shot
go long of the market
Grenville, Mt.
hands-only
heat sensitization
heavy coil-loading
hot pressed product
i-lefde
image impedance
indefensibility
interviewees
kamiahs
legislation motion
leveling rotor
lila
low-phosphate laundry detergent powder
maximum climb
micella (pl.micelles)
mormonilla minor
motorman
multipactin
nasal demon
nonpacked cargo
notari
oleiculture
pancreatogenic gastrointestinal endocrine tumor
Pandora
paralyzis
paravivianite
plasma linac
pseudocolus schellenbergiae
pulsed detonation engine
pupil-monger
pure-black
radioassay detector
Ramzay
red-line method
Reloading Charges
reporting stockholders equity by sources
sample interactive task
ship proportion
Sho'rchi
shotcrete manipulator
silk protein
slumberless
solar design
stroked crankshaft
sulfanuria
tapholes
tapping floor
teletalking
temperature cycling test
the present
threshing
trapping layer
trimming fitting
under-voltage circuit breaker
vapor flow
Washow B.
wastewater analysis
Wikstroemia leptophylla
you see