脂滴

Robotics, 3-D Printing, Drones Lead 2015 Tech Innovations The waning years advances in computer hardware and software, mechanical devices, sensors and artificial intelligence brought the world another step closer to the robotic future. Electric cars

发表于:2018-11-29 / 阅读(231) / 评论(0) 分类 VOA标准英语2015年(十二月)

Sneeze and cough particles form a cloud whose turbulence pulls in surrounding air, which allows the goop to maintain buoyancy and move farther than expected. Cynthia Graber reports. Gordon: When you have to sneeze or cough, do it into the bend of you

发表于:2019-01-02 / 阅读(168) / 评论(0) 分类 英伦广角

This is Scientific Americans' 60-Second Science. I'm Chelsea Wald. Got a minute? Vinaigrette dressing: when you shake it little vinegar droplets scatter through the oil, but when you put it down, the droplets merge and the dressing separates. That's

发表于:2019-01-08 / 阅读(148) / 评论(0) 分类 Scientific American(二)月

Cavers Explore Mysterious Hidden Wonders Caves have a subconscious hold on our imaginations - for our ancestors, they were not just shelter from the elements but also symbols of the womb, gateways to the underworld, places of wonder and mystery. Not

发表于:2019-01-09 / 阅读(141) / 评论(0) 分类 VOA标准英语2011年(八月)

This is the VOA Special English Health Report. Scientists continue to look for ways to deal with the deadly form of bird flu virus. Medical workers care for a bird flu patient in Medan, Indonesia, last year Researchers in Singapore, for example, hav

发表于:2019-01-11 / 阅读(151) / 评论(0) 分类 VOA慢速英语2007年(十)月

Dallas Attacks West Nile Virus by Land, Air The aerial and ground fumigation programs are blanketing around 1,400 square kilometers of the county, but don't target all mosquitoes. Laura McGowan, who works with Clarke, the company contracted to carry

发表于:2019-01-13 / 阅读(121) / 评论(0) 分类 VOA标准英语2012年(八月)

Ben Carter Powdered material called dry water, could provide a new way to store carbon dioxide in an effort to fight global warming. Dry water looks a lot like fine white sand, which isn't surprising since what makes it dry is that each tiny water dr

发表于:2019-01-14 / 阅读(170) / 评论(0) 分类 VOA标准英语2010年(九)月

Fact: liquid water is heavier than air. Fact: clouds, which consist of water droplets and ice crystals, seem to hover in the air. One final fact: the water droplets in a typical cloud together weigh many tons. Which raises a question: how do clouds s

发表于:2019-01-22 / 阅读(229) / 评论(0) 分类 英语时差8,16

一次咳嗽会产生2万个病毒 The next time you cough or sneeze, there is good reason to cover your mouth. As many as 20,000 viruses are expelled in an average cough, which may be sufficient to infect many people - particularly those who are not

发表于:2019-02-05 / 阅读(165) / 评论(0) 分类 实用英语

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(158) / 评论(0) 分类 经济学人综合

What's more, I've detected those falling and rising currents that make up the ocean's true breathing. 此外,我又注意过那些由上而下和由下而上的水流,形成真正的海洋呼吸作用。 I've seen a molecule of salt water heat up

发表于:2019-02-25 / 阅读(126) / 评论(0) 分类 《海底两万里》中英双语有声读物

They absorb the marine salts, they assimilate the solid elements in the water, 它们吸收了海中的盐,消化了水中的固体物质, and since they create coral and madrepores, they're the true builders of limestone continents! 它们是真正

发表于:2019-02-25 / 阅读(132) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
act a fool
adulate
alarm hammer shaft
allowable crack-per-pass
anything to do with
Ardminish
arteriae collateralis ulnaris superior
Atanga
banjo eyes
Berestova
beta heterochromatin
bisilicate
blanket insulant
brunellis
captain's
carbon fin
chemical preservation
Chimham
Christ's-thorn
chromosomal
Chynadiyeve
Cistanche salsa
coexistent
community regulation
condition of the contract
coracao de jesus
corn whiskeys
dribbling urinary block
e-form
economic assistance project
edgewise indicator
Egbema
Equitable Distribution
exploitation films
fearful
first-team
floor arch
fun-time
Gibbs-Konowalow rule
gleniss
grow fat
hang someone in effigy
heating substation
horsechestnuts
ICSHB
impurity conduction
indegree matrix
inflectional ending
interactionless
isthmos
joiner's shop
La Jara
linguistic education
lower subalpine
make the utmost of
malacopterygiis
Masères, L.
miliary fever
mismatches
molar flux
momentaneousness
NRDL
oil basin
Oreoi
ottr
overreplacement
pagefuls
partaken in
plain-and-fertilizer drill
plutonyl(v) chloride
Podgoritsa
pongo
pregnant women
preliminary flight qualification test (pfqt)
printers mark
pulverized-coal-fired boiler
radiant power detector
radical neck dissection
rectovestibullar fistula
rehabilitation expenses
rerun bottom
rough-diamond
Rugenian
screw logs
seedheads
semicarbazono-
sheepdom
single burst experiment
solution proposal
South-seamen
spillingly
splenetical
sporomycosis
Stamicin
stativer
sterilizing time
synchronous storage method
tensers
thio aldehyde
tub conformation
up down
weigh-ins