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Volunteers Keep Hands-On Science Alive in US Classrooms When it comes to making science fun, Lisa Purcell is a pro. Mimicking an owl or a foraging squirrel is all in a day's work for the director of the Four Winds Nature Institute. On this particular

发表于:2018-12-16 / 阅读(186) / 评论(0) 分类 VOA标准英语2011年(五月)

1.有趣的漫画 What will this small seed grow into? 这颗小种子长大会变成什么? It will grow into a big tree. 它会长成一棵大树。 What will these small tadpoles into? 这些小蝌蚪长大会变成什么? They will grow into

发表于:2018-12-31 / 阅读(221) / 评论(0) 分类 Sight Word Kids 幼儿英语常见字5A

This is Scientific Americans 60-Second Science, Im Karen Hopkin. This will just take a minute. Blackjack, slot machines, good ol Texas holdem. People love to gamble. And were not the only ones. A new study shows that pigeons will also pass up a sure

发表于:2019-01-08 / 阅读(224) / 评论(0) 分类 Scientific American(十)月

LULU GARCIA-NAVARRO, HOST: In central Montana, drones are dropping peanut butter pellets on prairie dog colonies. As Yellowstone Public Radio's Nate Hegyi explains, it's part of an effort by biologists to save North America's most endangered mammal.

发表于:2019-01-16 / 阅读(210) / 评论(0) 分类 2017年NPR美国国家公共电台12月

They found Star by chance, just in time. These animal welfare officers in Malta had been dealing with a separate case of an abandoned dog when they heard whimpering under the ground. They followed the noise, saw the tip of Star's nose and started dig

发表于:2019-02-04 / 阅读(164) / 评论(0) 分类 英伦广角

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 The good old days of block stacking games are gone! With CubeTower you can now play in the REAL world. The 3 dimensional world that is. CubeTower will confuse and mind boggle at times

发表于:2019-02-18 / 阅读(533) / 评论(0) 分类 Strategy Games
学英语单词
above reproach
acanthellas
accelerated fermentation
account sales ledger
agricultural pollutant
al-idrisi
Antarcticans
Apyauk
autocorrelation spectrum
auxano-
availavility
Bauhausians
body packer
budd l.
calyx-lobe
Carlux
cell liquor head tank
Celtist
chimney-pots
concentric flattened strand wire rope
crew flight time
dynamic route allocation
e & e.o.
electrical code
electron configuration
face-loading equipment
fifteen-years
foamies
freedom of motion
get in the swing of things
guided missile frigates
Haib
hold someone in derision
immunotoxicologists
incapacity
indrawn
industrial investment
interiority
internet-only
iran-iraq wars
Juillac
kahikatoa
Körperich
labial tumor
leaf opened stage
Lindley.
linearity correction circuit
literary pirate
locked push button
made a name for herself
maidenkin
mediacentric
microseepages
MIDI messages
neoza
net positive suction head required for pump
Nethead
netted melon
nonsingular network
nonvotes
Novo Aripuanā
open in dark room
panoramic screen
petroleum reservoir engineering
pheromone biosynthetic activating neuropeptide
Phi Betes
picofarad per meter
PMD (post mortem dump)
polyaxially
post-plotting
prairie wagon
psychoactivator
regenerative heat exchanger
reticulite
retrig
rhetorical act
rigmaroles
Rocky River
Santals
Shalkar
sheath bonding
shmucks
slantendicular
sleep-time
steam boiler
strait-jackets
strobiles
strontium metavanadate
syston
t-like statistic
tail pointer
tetrachlorvinphos
Torfufell
training
treson
tuned reed frequency meter
two sexes
undergroundhorizontal control survey
unit cube
unnes
vulcanization accelerator ZDMC
yellow bristlegrass