[机] 节曲面
[机] 节面

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(150) / 评论(0) 分类 TED演讲设计篇

In this Business English Podcast, were going to look at delivering an elevator pitch. A sales pitch is a presentation designed to introduce a product or service in order to convince people to buy it. An elevator pitch is a very short presentation des

发表于:2018-12-05 / 阅读(328) / 评论(0) 分类 商务英语演讲课

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(139) / 评论(0) 分类 2016年Scientific American(十二)月

Idiom: Make a pitch ( make a proposal ) Hit the book: Veterinarian Drowning Scary Yell Labrador Retriever Kangaroo Sanctuary

发表于:2018-12-27 / 阅读(203) / 评论(0) 分类 趣味青春英语

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(163) / 评论(0) 分类 英语听力文摘 English Digest

Can you name those notes? Probably notperhaps one in 10,000 speakers of European languages has perfect pitch, the ability to recognize a note without having heard any reference note first. But theres a much better chance you could successfully name

发表于:2019-01-02 / 阅读(199) / 评论(0) 分类 60秒科学

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(182) / 评论(0) 分类 英语新闻视频

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(176) / 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(141) / 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(155) / 评论(0) 分类 2018年NPR美国国家公共电台8月

【俚语】 pitch in 一起帮忙,作出贡献 最常见得意思是一起帮忙,做出贡献(to join in and help someone with something). 注意:pitch in还有其他的意思: 1.分担共同担负的费用;捐献(某物);(以某物)支援:

发表于:2019-01-17 / 阅读(178) / 评论(0) 分类 英语俚语天天说

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(221) / 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(196) / 评论(0) 分类 PBS访谈健康系列

We might think perfect pitch is an innate talent. Well, a study in the American Journal of Human Genetics is providing some evidence for that. Perfect pitch, aka absolute pitch, is the rare ability to name or recreate musical notes like A or middle

发表于:2019-01-30 / 阅读(224) / 评论(0) 分类 60秒科学

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(185) / 评论(0) 分类 阅读空间

今天我们要学的词是pitch。Pitch可以是推销的意思,既可以作名词也可以作动词。At the World Economic Forum in Davos, Russia's Prime Minister Dmitry Medvedev made a strong pitch for foreign investment in Russia. 在达沃斯世

发表于:2019-02-06 / 阅读(164) / 评论(0) 分类 英语单词荟萃

今天介绍的俚语是pitch in,pitch in是什么意思呢?最常见得意思是一起帮忙,做出贡献(to join in and help someone with something). 例句: If you could pitch in a little we'd be finished quicker. 如果你能帮忙一下,

发表于:2019-02-09 / 阅读(201) / 评论(0) 分类 美国俚语

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(174) / 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(188) / 评论(0) 分类 经济学人综合

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(155) / 评论(0) 分类 经济学人科技系列
学英语单词
2-Hydroxychalcone
afforestable
aids prevention campaign
allosuctobelba grandis
antibrand
attack polishing method
automatic tumble dryer
beauticontrol
beetleheads
bicycle race,bicycle racing
bluebottle
Blum
boxman
cast in someone's teeth
cattail marsh
circular frequency
coalmice
cold-war liberal
colour wash
contact time difference
crotchfuls
Cyclobalanopsis edithiae
disquieten
dolichopellic
during the passage
eczema vestibull nasi
egg separater
enclosed spaces
Ettrickhall
exceptional potential
fair uses
ferrocalcite
financial assistance
Fluarzine
force pump
fresh feed surge drum
fumble for
game fishes
gas-transport systems
GCFR
geohistorian
get one's shirt off
hatedom
heavy weapons
hoodbhoy
horological machine tool
hydrolysing enzyme
il divo
inthrough
isoparametric finite element
Ledda Bay
limper
Location Id
magnetic anneal
mistletoed
molybdenumizing
muscle glycogen
NAVALT
neofeudalist
network isolation circuit
overlashing
parrent
pay by the piece
Pelya-Khovanskava
perfect cubic expression
pernancies
petit jury
piece of pork
popery
positive shift
Processus articularis superior
profit centre
propheromone,prepheromone
purple patches
pycnonuclear
quarter point
reblossom
registration statement
rose syrup
rotor shorted turn detector
seeding medium
semi-permanent high
semiconductor device radiation effects/protection
sestetto
sexual precosity
spinning number
standest
strain-gauge load cell
suspension scale
table arm
temporarily discontinued
temurtide
thermal expansibility
Townend
transmit receiver
trivial flight
unfeelingness
Vezzana, Cima della
vibration fatigue machine
was present at
whole-body monitor
zeppelin