尾鳍褶叠肌

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Bats see with their ears, which are highly attuned to pick up minute variations in the reflection of the sound pulses they use to echolocate. Here are so

发表于:2019-01-08 / 阅读(65) / 评论(0) 分类 Scientific American(十二)月

PUSSY-CAT AND QUEEN Pussy-cat, pussy-cat, Where have you been? Ive been to London To look at the Queen. Pussy-cat, pussy-cat, What did you there? I frightened a little mouse Under the chair.

发表于:2019-01-09 / 阅读(350) / 评论(0) 分类 鹅妈妈童谣

Jim let his dog out to relieve himself late one night. He watched some TV, and then remembered to let the dog back in. When he opened the door, he was shocked at what he saw! In his dog's mouth was his neighbor's cat, dead! Bad dog! BAD DOG! said the

发表于:2019-02-07 / 阅读(64) / 评论(0) 分类 趣味英语

Dick and His Cat I Once there was a boy called Dick. He was very poor: his father and mother were dead and he had no friends to help him. One day he heard some men speaking: one man said, I shall go to London, for London is a very big city, and its s

发表于:2019-02-07 / 阅读(130) / 评论(0) 分类 趣味英语

An old woman had a cat. The cat was very old; she could not run quickly, and she could not bite, because she was so old. One day the old cat saw a mouse; she jumped and caught the mouse. But she could not bite it; so the mouse got out of her mouth an

发表于:2019-02-07 / 阅读(85) / 评论(0) 分类 趣味英语

There were many mice in a house. The man of the house got a cat. The cat killed many of the mice. Then the oldest mouse said, All mice must come to my hole tonight, and we will think what we can do about this cat.' All the mice came. Many mice spoke,

发表于:2019-02-07 / 阅读(90) / 评论(0) 分类 趣味英语
学英语单词
acquiesced
aliquot tuning
Ban Tong
be down on one's luck
BELONORHYNCHII
bergquist
bespits
BFEs
bisync
Boosaaso
booster grain
by common assent
calculation of interest on banking account
canoe birches
carbonated beverages
charge control analysis
come to something
commercial residential building
common thread
compound attack
constant voltage charge
convoluted seminiferous tub tubules
copywrite
counterscale
crescent phase
deporter
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drum rinser
e-friend
enterlace
eventualises
exemption from withholding
field sandburs
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front of mud flow
furniture polish
g.a.r
gamogenesis
gelatin image
genus lamas
get something out of someone
gor
grain web thickness
hafters
Hamilton, L.
harban's earth current meter
heat-seeking
heterodyne relay system
holmqvist
host conversational function
hypertrophy of ligamentum flavum
inverting effect
jerkiness
k-display
karkow
level electrode
limnophora veniseta
liquefied nitrogen
littlecotes
magnetic-coupled
maximum pull
micro-sub
mini-scanning method
mock platina
modern marriage
moscow' rubislaw
ni-cd
nonparoxysmal
one time code
panbiogeography
picks per minute
Pornassio
power utilization index
protection kernel
Puccinia lineariformis
real men don't eat quiche
rest potential
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shore crab
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single boom roadheader
Sokal'
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spore-bearing
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sympathomimetic stimulant
system macro instruction
three-drum hoist
Tirrill type automatic voltage regulator
travel(l)er accrued
triangular spring
Trianide
trichloropyrimidine dyes
Tychonic system
uk coal
user subsystem
variable wing section
washery waste
white cardboard
wild-man