西里伯斯鳗鲡;西里伯斯鳗;鳗;黑鳗

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(227) / 评论(0) 分类 2016年Scientific American(九)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(244) / 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(230) / 评论(0) 分类 2016年Scientific American(八)月

Now to the Northern Caribbean, where island dwellers have spent a week amid smashed ruins, with no power and reports of fighting over food. The president of France visited St. Barts today, after spending the night on a cot on St. Martin. British fore

发表于:2019-02-17 / 阅读(252) / 评论(0) 分类 PBS访谈社会系列

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(256) / 评论(0) 分类 万物简史
学英语单词
a period of
aeolesthes holoserica
angle grain
annuity assurance
anti-tracking coat
array-based replication
asymmetric second division
bayrenth hush
beerwort
black telurium
capacitor speaker
carapa guayanensis
cardan mounting
chained file allocation
chapelwardens
class-consciousness
color deficiency
command pose
control program privilege class
corporate investors
crisostomo
cut didoes
defense capacity
Delvine
depraves
detention with postponement
edingtonites
eka-erbium
el-nino phenomenon
entention
ephs
equable climate
Erythronium sibiricum
eucommito
exhaust valve tappet
fertilise
fillister-head
genus mastotermess
group with trivial centre
Ha Dzong
Hall, John
heath fritillaries
Housman, Alfred Edward
hydroxycinchonidine
in ... corner
in dern
inproper alignment
iron brick
kashims
Kitabatake Chikafusa
laminate family
lamprey ell
lightning bugs
liquid-propellant rocket engine
machine all over
marine protection
masters of education
maximum indicated lateral acceleration
measurement current
metaethical
middle ultraviolet lamp
misascribes
monascus anka
multilight
Naricual
nerve to tensor tympani
nigakinol
otc stocks
paracyclophanes
phosphate treated mud
phosphodonor
pisga
pit lathe
Polonizes
principal signal
prol-
push poll,push-polling
pyrazomycin
pyrocoelia formosana
rotary engines
safety-factor
sectionalizing joint
septuple
shiragashira yama bushi (japan)
sobeit
spectral hygrometer
straight artery
T & A
Tarascon-sur-Ariège
thirsty work
time travel
to be sure of
tolonens
tri-n-propylisobutyltin
triturature
turkise
unreacted core
various colors acrylic matt coating
virus pig pneumonia
well-attempered
white point
zincous