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
Aberfoyle
Abergwynfi
Achorion bennetti
ADS (address display subsystem)
aeruginosum sputhum
Alleghenian orogeny
allonge
alviss
am-be neutron source
angular travel method
anisotropy index
annihilates
antihemophilic
auxiliary access storage
azimuth discrimination
baccarat, baccara
backpedalers
bacterial chemistry
baillarger's bands
beatlessness
begeck
blow horn
bodyspray
Buenos Aires, Lake
bull terriers
candy stowage
claiks
clives
cold-rolling mill
complementary circuits/devices
composings
control aircylinder
delegate function
directional drilling
essedary
excess fuel
field heat of fruit
financial retrenchment
FIR port
fruit pulping machine
fulgurance
full-herring bone cut
Gaebler's method
greenhouse thrips
hardened horizon
harmful insect
helper spring
hyper-reactive
imaginativeness
inclined elevator
intermediate card
interstitial vacancy pair
job-performance
Kanaks
kustelite
lamellar compound
land-locked state
let's hear it
lie in one's throat
logic link layer
magickers
malarial
maritime mobile phone
massalias
maximum fault rate
microdictionary
multicurrency intervention system
myristylbenzylmorphine
National Vocational Qualification
Niuean
nonoffice
oilfired
paleontologic instant
penny-shaped crack
pinus monophyllas
player button
plug in relay
pneumatic sensor
political reality
pressure-flank
pseudorutile
purple peas
reaction bulb
rod shadowing
Roxithromycine
rudder roll
scar tissue buttressing method
silk-covered cord
single-precision
skywaves
steam capacity
stutterers
throttle button
titanium(iv) fluoride
typomorphic compound
UHF tuning mechanism
unconsolidated rock
unofficiality
V scarf
wild-fowler
wind resistance coefficient
wood scrap separator