n. 独龙凤仙花

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(138) / 评论(0) 分类 2016年Scientific American(九)月

We humans are known to help out members of our own families. When it comes to business we call it nepotism. Now plants have demonstrated the same predilection, in a study published in the American Journal of Botany. Previous research showed that plan

发表于:2018-12-24 / 阅读(164) / 评论(0) 分类 Scientific American(十一)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(164) / 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(140) / 评论(0) 分类 2016年Scientific American(八)月

Plants Share Light If Neighbor Is Related A study in the American Journal of Botany finds that plants can tell if they're next to a relative and will grow to allow the kin more access to light. Cynthia Graber reports. We humans are known to help out

发表于:2019-01-30 / 阅读(180) / 评论(0) 分类 60秒科学

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(160) / 评论(0) 分类 万物简史
学英语单词
apogon pleuron
arcs up
assimilation reduction
autosynch
Azin
banker's clean bill
beto shet
Buccinacea
carbamylphosphate
Casarsa della Delizia
chloridated
close to my chest
closeness and distance
college entrance examination
complex locus
Current River
dataman
do sth by rote
doomist
Doruneh
easy off slip flask
electric-steel making process
electromagnetic gear
engineering design coordination
esoterism
etheling
expert system software
FCSP
feigned column
fibrocystadenoma
flotation tailings
friedli
frog face
Frohlich syndrome
gedrite
gramisterol
Grosser Müggelsee
grou
guns before butter
hedge selling
hole cocoon
HPFM
in one's midst
intraepidermal carcinoma of anus
irreversible tectonic deformation
Iwon
key industry investment trust
kinked chain
Krylov Peninsula
levelling-off
lienomycin
limiting stud
LSHF
Marcille's triangle
marginal deposit-loan ratio
mass peristalsis
member of Christ
molded dimension
Mozarabic language
multiconfigurational
munchkin
Neumann-Kopp rule
ocean color imager
off sb.'s mind
partner-notification
patient-focused
pitchpenny
plenary session
pnpn transistor
post obit bond
precisianisms
rear sight
residual correlation
reverse staturation current
rudder wheel
ruetes
setiferous tubercle
shiv ya
Sillānwāli
six-sideds
snow train
supply - side economics
surface colonry
tapered sweep
terrorize
through arch
to pick you up
tornup
trading space
transverse fasciculi
tuareg
vanadium oxybromide
vertical-axis rotor-type wind turbine
Villefranche-de-Rouergue
viscounts
WA (word address)
wear particle
Weiswampach
werth
working languae
wujec
yellow flame