时间:2019-01-20 作者:英语课 分类:2014年Scientific American(八)月


英语课

 Ever look in the mirror the first thing in the morning and say  I look like a crap While for some spiders, looking like poop can actually be a life saver, because masquerading as a bird toes appears to protect certain eragnite from getting eaten by wasps 2.That's according to a study in the journal Natural scientific Reports.Researchers were over the plentiful 3 bird do their and forest in Taiwan. Then they realized that some of those dropping were in fact special spiders sitting in the top silky white disks at centre of their web. Sure this 


scatological costume may fool a bunch of PhD, but do the predatory wasp 1 for fooled to find out. The researchers used spectrometer to confirm the spider in the web is especial inextinguishable from bird's bread. Then they changed the the covering of some webs by dusting them with carbon powder,and they found that spiders that rest on the artificially black and silk were much more likely to get eaten. Now this result don't prove that wasps buy the whole put ,maybe spider against the white background are just harder to spot, to be more confident that looking like poops is key,researchers may test the wasps to found out if they are just glimpse it and stepping it.

n.黄蜂,蚂蜂
  • A wasp stung me on the arm.黄蜂蜇了我的手臂。
  • Through the glass we can see the wasp.透过玻璃我们可以看到黄蜂。
黄蜂( wasp的名词复数 ); 胡蜂; 易动怒的人; 刻毒的人
  • There's a wasps' nest in that old tree. 那棵老树上有一个黄蜂巢。
  • We live in dread not only of unpleasant insects like spiders or wasps, but of quite harmless ones like moths. 我们不仅生活在对象蜘蛛或黄蜂这样的小虫的惧怕中,而且生活在对诸如飞蛾这样无害昆虫的惧怕中
adj.富裕的,丰富的
  • Their family has a plentiful harvest this year.他们家今年又丰收了。
  • Rainfall is plentiful in the area.这个地区雨量充足。
学英语单词
air-driven mine car loader
aminic
angular-acceleration
anju
anti-roll pump
antiluetics
automatic bailer
bayardism
castellaw
chloroplastonema
condenser thermal load
conical-scan tracking
counts corrected for coincidence (CCC)
curing shrinkage
curvative
cycloidal type carousel type chassis
differential supercharge
dimethyl cholamine
dishpan experiment
dubbs
Dubiecko
enantioface
Entuss
Euphorbia tithymaloides
Federal Power Act
financing overseas investment and overseas enterprise
flight idle
flux-and-standing pouch
foreshowing
Fredholm integral equation
frequency of error
frost hygrometer
gas forming
gentleman of the long robe
get out of control
grovellers
gypsum lath partition
Hageman
halcyonids
hard by
hollow dam
Home Ownership Scheme Fund
Hooghalen
Hubbard, Elbert
hypapophysis
hysteresis tester
icebath
ICSBP
installment revenue
Japanese National Railways
klatsch-preparation
long-waves
low-maintenance
lunistice
Mastahs
matrix encoder
metastable peak
non-choice
nonachievements
nonvector mathematic operation
Norische Alpen
photohematachometer
photomicrographing
photosensitizing coating
phrenopathy
Piper lolot
pneumatic excavator
power amplifier stage
power strip
power strips
pre-electric
pteroylhexaglutamylglutamic acid
pure-white
radiation-proof
regular hemimorphy
retract rearward
rheohepatograph
semiviva
servicepeople
sharded
sideward roll
single-level encoding microinstruction
slag penetration
spacker
spora
starting station
static cable
statistics office
sterilized suspension
straight-hit
subarray argument
summer oil
superior ligament of epididymis
tarissa
thermodynamic yield
Tripolitans
tubular products
twohighmill
venereological
vibrating reed instrument
welding machine of mesh
YTC