时间:2018-12-24 作者:英语课 分类:Scientific American(一)月


英语课

 Ever wondered why mosquito eat some people up but leave others relatively 1 unscathed. a new study  find this prefential treament due to smells produced by the microscopic 2 critters that cover our bodies. the reaserch is in the journal public library science one.to mosquito ,every human has a particular smell and differences are  due in part the particular bacteria  on each individual's skin.  the study test the malaria-transmitting Anopheles gambiae mosquitos attraction to the ordors fifity adult man.the participant's avoided items such as garlic that will change their natual smell.reaserchers collected the male scents 3 by rubbing glass beads 4 on the bottom on each particapant's feet and swabbed the same skin for microbes and they  discovered that  mosquito perfer the smells of skin with more abundant but less diverse bacteria communities. the scientists suggest that the diverse community may  include some microbes that produce compounds that mosquitos  natuarlly dislike .a further reaserch can identify this compounds, it could  lead to their development repellents to make bloodthirsty mosquites buzz off.



1 relatively
adv.比较...地,相对地
  • The rabbit is a relatively recent introduction in Australia.兔子是相对较新引入澳大利亚的物种。
  • The operation was relatively painless.手术相对来说不痛。
2 microscopic
adj.微小的,细微的,极小的,显微的
  • It's impossible to read his microscopic handwriting.不可能看清他那极小的书写字迹。
  • A plant's lungs are the microscopic pores in its leaves.植物的肺就是其叶片上微细的气孔。
3 scents
n.香水( scent的名词复数 );气味;(动物的)臭迹;(尤指狗的)嗅觉
  • The air was fragrant with scents from the sea and the hills. 空气中荡漾着山和海的芬芳气息。
  • The winds came down with scents of the grass and wild flowers. 微风送来阵阵青草和野花的香气。 来自《简明英汉词典》
4 beads
n.(空心)小珠子( bead的名词复数 );水珠;珠子项链
  • a necklace of wooden beads 一条木珠项链
  • Beads of perspiration stood out on his forehead. 他的前额上挂着汗珠。
标签: sss 托福素材
学英语单词
Abaco and Cays
acetum pyrolignosum rectificatum
actinomycoses
actual loss of reserves
alhadeff
allyl butyl sulfoxide
andantest
Aorangi Mts.
aparine
bagasse fiber
behind-the
Biesowice
branchialis
carbonmonoxyhemoglobin
carrying on business
chilled water supply
commissioners pt.
common battery switchboard
commutator ripple
constructive breach
Cravolândia
cross-section ratio
dead layer (window)
dermal bed
Derzha
drinking-cups
Dubrovichi
dumper
Dylan Thomas
endolymphangiitis
endomed
engages
engine bearing
enter-deux
eooanetoxin
evolution diagram
fiber drawing
full-width roller
gel outlet
Gjelstad Pass
gunts
hand windlass
Harris & Sim.
head-shapes
hermetically-sealed relay
herpetic gingivitis
houred
i have been
in easy circumstances
incisura tentorii cerebelli
inclusionism
ingeborg
inverse ferrite
investment banker
jack in the green (london)
just over
Kato Klitoria
laisser
lamba
light list
Limaciopsis
limns
look out for sb
Lysychansk
moutan
nadolski
nanoprobe
National Automated Clearing House Association
noetic
non-linear coefficient of sawtooth wave
ntma
Olom
one-to-one transformer
opaque photocathode
original net premium
osteoodontoma
patch pants
payment of compensation
picture segment
platform trap door bumper
push wheel
reactor envelope
recording watt-and var-meter
relative distribution function
resubmerge
retro-gaming
saci hemp
single random sampling
single-phase alternating current
statistical factor in Breit-Wigner formula
stock appreciation rights
stone mulching
Stouby
The murder is out.
traffic cone
transplant factory
uniformity of uniform convergence
USB flash drive
variable rate
volitionally
water extract method
wavelength effect