小钙扇藻

As you've probably experienced firsthand, some mosquito species have a real taste for warm, human blood. So much so that if you raise them on it the lab, they'll accept no substitute. Fortunately, I don't get major reactions at all. Brad Main is a mo

发表于:2018-12-24 / 阅读(65) / 评论(0) 分类 2016年Scientific American(九)月

Ronda Rousey always wanted to compete at the Olympics, but she was surprised when she made the U.S. judo team in time for the 2004 Games in Athens. She was just 17 at the time. As VOA's Steve Schy reports, she's 21-years-old now, more experienced an

发表于:2019-01-13 / 阅读(54) / 评论(0) 分类 VOA标准英语2008年(六月)

ROME, Dec. 3 (Xinhua) -- Italy lacks the necessary energy(能量,活力) and strength for an economic revival while unemployment and poverty are on the rise, warned a report issued Friday. The 44th edition of the Censis think tank social survey, the

发表于:2019-01-19 / 阅读(87) / 评论(0) 分类 英语新闻

In Africa's battle against malaria, two low-tech tacticsinsecticides and bed netshave done a decent job killing off mosquitoes. But it's mainly one species that's been affected. That's a species called Anopheles gambiae, sometimes called the African

发表于:2019-01-20 / 阅读(71) / 评论(0) 分类 2016年Scientific American(八)月

对你而言,智能手机可能就像你的朋友。但是真正的朋友会时不时给你一个笑脸。在TED2013大会上 Keller Rinaudo 展示了 Romo,一种由智能手机控制的迷你机器人,可以陪着你散步,可以帮你在桌子

发表于:2019-02-05 / 阅读(137) / 评论(0) 分类 TED公开课:重释机器

You might not think there would be that many people in the world prepared to devote lifetimes to the study of something so inescapably low key, 你或许会认为,世界上不会有多少人愿意花毕生的心血来研究那个不起眼儿的东西

发表于:2019-02-21 / 阅读(78) / 评论(0) 分类 万物简史
学英语单词
aerodynamics noise
Agamé
angekkok
angioscotometry
anthraglucorhamnin
arsena
audio-response calculator
be at
Bopeechee
bottom fish
burla
caboshed
campas
Classical period
clerk service
compass needle type frequencymeter
congocidine
construction manager
controllability principle
corundum-mullite ceramics
cost of erection
decontaminates
deformity of knee
demoparties
depot connection
dispositions
doppler spectrograph
dummy government
dynamic theory of tide
eczema herpeticum
energy threshold
equidistants
equivalent tensile force
Feynman-alpha experiment
find time to
foot-path
gather strength
genus Sium
gill furrow
gravity sluicing system
green sand
hand lawnmower
heavy-duty tyre
heeneys
heterovalvate
high dip
HR (humidity relative)
Hujirt
hypokalaemia
indoor stairs
Innernzell
intensity of standing wave
intermediate lava
isopropylmolic acid
just one moment
lacrimonasal
made every effort to
mean time between stops
microgeology
mill slurries
Ngoro
non-vibrating
NOT ACCEPTED screen status
on-keier
operationalized
ophthalmofundoscop
osajin
Painesdale
para-hydrogen
perlolyrine
pilot-scale chemical reaction
pipe compartment
print end
public expenditure decisions
quick fit method
radiocurability
sadij (sedich)
scopulate
seasonal cointegration
shakeouts
Shasta County
sheath flow
shindys
shoot thorn
sodium itaconate
SOFIX (software fix)
sound pressure reflection factor
speedster
starshinas
take counsel with someone
tapered reamer
terrification
this is the way
to make a long story short
tre corde
triakis scyllium
tubac
unerasing
ventolin ampoule
withdrawing-rooms
Yerkes, Robert Mearns
Zasosna