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
absaroke
acid material
adiabaticities
air blast transformer
alternating current track circuit
Aminogen
assualt boar
backlinkages
be parall with
benedicted
berth chain
bilges
branch chain
bunker adjustment factor
bureaucratises
Castione della Presolana
cereal crop
cheek-plate
chimney intake
CLBC
cock-smooch
code sending method
colloidal organic material
common louse
concentrating tower
dead zone lag
delectible
destination form library
drowned lung
eddes
electronic binary multipling computer
expression evaluator
feed-forward line
Fere-en-Tardenois
frequency domain reflectometer
fusarium oxysporum niveum
germ flattening rolls
Ghargharib
giant weta
going on
grayish pink
guard of the day
hang on by the eyebrow
harmonic distortion attenuation
heat exchanger tyype regenerator
heat-proof tubing of inner-corru-gated expansion joint
heterecious
high-density digital storage
hydrothermal crust
ice condenser system
Incirrata
infrastructure assets
invitant
isthmos
joperd
lease back
little smoky cr.
lolled
long-time kinetics
max min system
Maxwell, Robert
microapocrine
modulor
Montbartier
narals
nonzirconium
organocuprate
osculary
panegyrizes
Panthera onca
part-whole relationship
pechka
photoconceptualist
positioning of wagon at loading or discharge points
postingestive
potentiometer with switch
pressure pump suction pipe
priestish
pseudo-diabase
psycinfo
reaction liquid
science shop
securities representative
soft-data
software verification technique
solest
Stanley Park
stillingia
stumbling blocks
swasivious
the worm in the apple
theater of operations
thermal stress cracking
thioguanine
turpentine stupe
tympanious
vacuum watch
Weisdale Voe
western thrace
Yaha
young carnivore