台湾锤跗姬蜂

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

By Alisha Ryu Nairobi 21 February 2007 International aid agencies are expressing frustration and alarm at their lack of access to several needy regions of Somalia because of continuing insecurity. VOA Correspondent Alisha Ryu in our East Africa Bure

发表于:2019-01-12 / 阅读(110) / 评论(0) 分类 2007年VOA标准英语(二月)

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(85) / 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(69) / 评论(0) 分类 2016年Scientific American(八)月

Science and Technology Palaeontology Splay-footed, not flat-footed 科技 古生物学 八字足,而非平足 A new fossil shows that evolution does not always mean change 一个新的化石表明:进化并不总是意味着改变 WHEN a coelacan

发表于:2019-01-26 / 阅读(56) / 评论(0) 分类 经济学人科技系列

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(75) / 评论(0) 分类 万物简史
学英语单词
absolute determination
agent policy manager
aliased grating ring
and that's flat!
angiotomies
aqua renaissance
betha
big girl's blouse
calcium network
cam operated valve
Cessford
closer
Commercial Internet Exchange
continuous full-load run
contour patch
cross-keys
daisy-leaved grape ferns
doughnut holes
eight channel pressure recorder
Ekdāla
Enu, Pulau
environmental control system test facility
exced
fathead minnow
filtered cartridge
Forgurt
fracture of lumbar vertebra
fragmentizing
FS-478
galactoma
have a discussion
Hengist
Hindhead
home meal replacement
hot up
impenitence, impenitency
induced luminescence
intake adit
inter-assay
International Fisher effect
Inverkirkaig
issue a warrant
kildeer
Kochkor
lapise
lashing eye
length of curved surface of last
Li Keran
likening
lyre piano
Madd.
marine environmental hydrodynamics
mark sheet reader
meter boat
methine
minor premisses
modern method of directive breeding
myrbane oil
n-decane
neutron gamma reac-tion
non-riparian
numeric puncher
nursery test
olfactometers
optimum weight on bit
periphery cam
photo-type paper
plowed and tongued joint
plug-type resistance bridge
portsides
potato ferns
precums
Protodinychoidae
Puccinellia chinampoensis
pullet year
radio voice transmission
recombobulated
reefer jacket
rough skin
roughness band
S-PG
sakering
Seraiki
silentiously
Sinhalese
sociorobotic
sparbled
spray eliminator
Stelleroidea
synchronization flag
Talamone, G.di
thermal conductivity propagation
tiraspols
trackback
turning radius
underwater telegraphing
uniform poisoning
untemsed
Van Slyke's apparatus
vehicular station
Ventdisk