音标:['ʌndəsɜːfɪs] ;
n. 下面;底面
adj. 水面下的

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(119) / 评论(0) 分类 TED演讲设计篇

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(113) / 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(121) / 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(144) / 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(147) / 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(113) / 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(120) / 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(185) / 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(161) / 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(141) / 评论(0) 分类 阅读空间

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(143) / 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(150) / 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(119) / 评论(0) 分类 经济学人科技系列
学英语单词
ammargenum
arteria brachialis superficialis
artie shaws
aseptic operation
back flip, backflip
be used together
bell 103
Bokhara rug
bulk handling dextrose
can lift pad
canonical solution
caricatured
Cerncice
climatic time series
congruence root
Conioselinum univittatum Turcz
copper earth tube
copy the example of
courtlinesses
cowy
desamidize
detector cleaner
digit preset
directorial
double rotation turbine
electromagnetic wave filter
electronic data-switching system
Eria dasyphylla
fell together
fino
first investment
foidolite
foreland fold
fructose hydrazone
G-OS
gink (egypt)
govier
hand-and-foot monitor
harmonic distortion attenuation
hay diet
Herpetomonas tropica
Heyerdahl, Thor
hirudine
hurraed
james huttons
kocharian
Lao Fu Chai
leopard fur-effect
leprarioid
lift unit
loom width
lumbo-abdominal
mackerel shark
Mariager
maril
marshall-lerner-robinson condition
meeke
methyl silicon
microelectronictechnique
minimal effective dose
minimum speed at zero stroke
Moreas
muana
mulebacks
murages
necatrix
nelbon
nuclear powered reciprocating engine
on tours
Ooraminna Ra.
overall distortion
overlay segment area
permissible lamp
PTZ
public examination
Quick's test
salt fish
Salvia plebeia
schwabes
screw bolt
seal cooler
second-half
sedimentary petrology
sensuousness
sheet pizza
silk gland
sound-out
spasmodic asthma
star jasmines
starting from cold
Sticker Paralysis
tetraxetan
thermodynamic analysis of process
TMP-SMZ
true representation of surface
Volta, Count Alessandro
wage in sliding scale
water bottom event
weather-glass
woggle joint
yrest